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be3392b65f2b989badcadf5f6a353c7924d3ccf4
Analyze and fix the following issue in the Linux kernel code: perf list: List callback support for libpfm
Problem Details: Missed previously, add libpfm support for 'perf list' callbacks and thereby JSON support. Committer notes: Add __maybe_unused to the args of the new print_libpfm_events() in the else HAVE_LIBPFM block. Fixes: e42b0ee61282a2f9 ("perf list: Add JSON output option") Signed-off-by: Ian Rogers <irogers@g...
```diff diff --git a/tools/perf/util/pfm.c b/tools/perf/util/pfm.c index f0bcfcab1a93..ac3227ba769c 100644 --- a/tools/perf/util/pfm.c +++ b/tools/perf/util/pfm.c @@ -12,6 +12,7 @@ #include "util/parse-events.h" #include "util/pmu.h" #include "util/pfm.h" +#include "util/strbuf.h" #include <string.h> #include <l...
6f520ce17920b3cdfbd2479b3ccf27f9706219d0
Analyze and fix the following issue in the Linux kernel code: perf symbol: correction while adjusting symbol
Problem Details: perf doesn't provide proper symbol information for specially crafted .debug files. Sometimes .debug file may not have similar program header as runtime ELF file. For example if we generate .debug file using objcopy --only-keep-debug resulting file will not contain .text, .data and other runtime sectio...
```diff diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index 647b7dff8ef3..80345695b136 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -1303,7 +1303,7 @@ dso__load_sym_internal(struct dso *dso, struct map *map, struct symsrc *syms_ss, (!used_opd && syms_...
f44e07a8afdd713ddc1a8832c39372fe5dd86895
Analyze and fix the following issue in the Linux kernel code: s390/crashdump: fix TOD programmable field size
Problem Details: The size of the TOD programmable field was incorrectly increased from four to eight bytes with commit 1a2c5840acf9 ("s390/dump: cleanup CPU save area handling"). This leads to an elf notes section NT_S390_TODPREG which has a size of eight instead of four bytes in case of kdump, however even worse is th...
```diff diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index dd74fe664ed1..e4ef67e4da0a 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -46,7 +46,7 @@ struct save_area { u64 fprs[16]; u32 fpc; u32 prefix; - u64 todpreg; + u32 todpreg; u64 timer; u6...
ab6baaae273572909f1e957fc27a9459fc95dd8c
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix JSON output in metric-only mode
Problem Details: It generated a broken JSON output when aggregation mode or cgroup is used with --metric-only option. Also get rid of the header line and make the output single line for each entry. It needs to know whether the current metric is the first one or not. So add 'first' field in the outstate and mark it fa...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 335627e8542d..43640115454c 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -279,9 +279,6 @@ static void print_aggr_id_json(struct perf_stat_config *config, { FILE *output = config->output; ...
922ae948c429a9b396761f2071eebf6a19688dd2
Analyze and fix the following issue in the Linux kernel code: perf stat: Pass 'struct outstate' to print_metric_begin()
Problem Details: It passes prefix and cgroup pointers but the outstate already has them. Let's pass the outstate pointer instead. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: I...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 70aebf359e16..3ed63061d6f8 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -843,8 +843,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config, static void print_metric_begin...
991991ab99635d9e368f9671fa8c30ec1113042c
Analyze and fix the following issue in the Linux kernel code: perf stat: Pass const char *prefix to display routines
Problem Details: This is a minor cleanup and preparation for the later change. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: James Clark <jame...
```diff diff --git a/tools/perf/util/iostat.h b/tools/perf/util/iostat.h index 23c1c46a331a..c22688f87cb2 100644 --- a/tools/perf/util/iostat.h +++ b/tools/perf/util/iostat.h @@ -28,7 +28,7 @@ enum iostat_mode_t { extern enum iostat_mode_t iostat_mode; -typedef void (*iostat_print_counter_t)(struct perf_stat_confi...
f123b2d84ecec9a3c551e745f43d36bba1d69e1c
Analyze and fix the following issue in the Linux kernel code: perf stat: Remove prefix argument in print_metric_headers()
Problem Details: It always passes a whitespace to the function, thus we can just add it to the function body. Furthermore, it's only used in the normal output mode. Well, actually CSV used it but it doesn't need to since we don't care about the indentation or alignment in the CSV output. Signed-off-by: Namhyung Kim ...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 744b7a40f59a..deed6ccf072f 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -996,10 +996,9 @@ static void print_no_aggr_metric(struct perf_stat_config *config, } static void print_metric_hea...
8e55ae24c08fd5bf39b632df72122a7c2591c03c
Analyze and fix the following issue in the Linux kernel code: perf stat: Do not align time prefix in CSV output
Problem Details: We don't care about the alignment in the CSV output as it's intended for machine processing. Let's get rid of it to make the output more compact. Before: # perf stat -a --summary -I 1 -x, true 0.001149309,219.20,msec,cpu-clock,219322251,100.00,219.200,CPUs utilized 0.001149309,144,,c...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index d86f2f8e020d..15c88b9b5aa3 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -828,7 +828,7 @@ static void print_counter_aggrdata(struct perf_stat_config *config, fprintf(output, "%s", prefix)...
6d74ed369d4342bb7d4fecbc1cde6061b5bb5604
Analyze and fix the following issue in the Linux kernel code: perf stat: Move summary prefix printing logic in CSV output
Problem Details: It matches to the prefix (interval timestamp), so better to have them together. No functional change intended. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Ing...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index 46e90f0bb423..d86f2f8e020d 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -713,11 +713,6 @@ static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int nl = config->met...
15792642db6946890416a6d1616b03ab25c26fa7
Analyze and fix the following issue in the Linux kernel code: perf stat: Fix cgroup display in JSON output
Problem Details: It missed the 'else' keyword after checking json output mode. Fixes: 41cb875242e71bf1 ("perf stat: Split print_cgroup() function") Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Athira Jajeev <atrajeev@linux.v...
```diff diff --git a/tools/perf/util/stat-display.c b/tools/perf/util/stat-display.c index f5501760ff2e..46e90f0bb423 100644 --- a/tools/perf/util/stat-display.c +++ b/tools/perf/util/stat-display.c @@ -175,7 +175,7 @@ static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp) if (config->json_...
a9ffb8ee7b65a468474d6a2be7e9cca4b8f8ea5f
Analyze and fix the following issue in the Linux kernel code: powerpc: Use "grep -E" instead of "egrep"
Problem Details: The latest version of grep claims the egrep is now obsolete so the build now contains warnings that look like: egrep: warning: egrep is obsolescent; using grep -E fix this up by moving the related file to use "grep -E" instead. sed -i "s/egrep/grep -E/g" `grep egrep -rwl arch/powerpc` Here are the...
```diff diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index a8a87d7667f4..af04cea82b94 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -594,7 +594,7 @@ ps3) # reached, then enter the system reset vector of the partially decompressed # image. No warning is issued...
1f622f3f80cbf8999ff5955a2fcfbd801a1f32e0
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: fix plpks_read_var() code for different consumers
Problem Details: Even though plpks_read_var() is currently called to read variables owned by different consumers, it internally supports only OS consumer. Fix plpks_read_var() to handle different consumers correctly. Fixes: 2454a7af0f2a ("powerpc/pseries: define driver for Platform KeyStore") Signed-off-by: Nayna Jai...
```diff diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c index e8c02735b702..4edd1585e245 100644 --- a/arch/powerpc/platforms/pseries/plpks.c +++ b/arch/powerpc/platforms/pseries/plpks.c @@ -354,22 +354,24 @@ static int plpks_read_var(u8 consumer, struct plpks_var *var) { ...
bb8e4c7cb759b90a04f2e94056b50288ff46a0ed
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: Return -EIO instead of -EINTR for H_ABORTED error
Problem Details: Some commands for eg. "cat" might continue to retry on encountering EINTR. This is not expected for original error code H_ABORTED. Map H_ABORTED to more relevant Linux error code EIO. Fixes: 2454a7af0f2a ("powerpc/pseries: define driver for Platform KeyStore") Signed-off-by: Nayna Jain <nayna@linux.i...
```diff diff --git a/arch/powerpc/platforms/pseries/plpks.c b/arch/powerpc/platforms/pseries/plpks.c index 32ce4d780d8f..cbea447122ca 100644 --- a/arch/powerpc/platforms/pseries/plpks.c +++ b/arch/powerpc/platforms/pseries/plpks.c @@ -111,7 +111,7 @@ static int pseries_status_to_err(int rc) err = -EEXIST; break; ...
af223e1728c448073d1e12fe464bf344310edeba
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: Fix the H_CALL error code in PLPKS driver
Problem Details: PAPR Spec defines H_P1 actually as H_PARAMETER and maps H_ABORTED to a different numerical value. Fix the error codes as per PAPR Specification. Fixes: 2454a7af0f2a ("powerpc/pseries: define driver for Platform KeyStore") Signed-off-by: Nayna Jain <nayna@linux.ibm.com> Signed-off-by: Michael Ellerman...
```diff diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h index 8abae463f6c1..95fd7f9485d5 100644 --- a/arch/powerpc/include/asm/hvcall.h +++ b/arch/powerpc/include/asm/hvcall.h @@ -79,7 +79,7 @@ #define H_NOT_ENOUGH_RESOURCES -44 #define H_R_STATE -45 #define H_RESCINDED -...
2330757e0be0acad88852e211dcd6106390a729b
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: fix the object owners enum value in plpks driver
Problem Details: OS_VAR_LINUX enum in PLPKS driver should be 0x02 instead of 0x01. Fixes: 2454a7af0f2a ("powerpc/pseries: define driver for Platform KeyStore") Signed-off-by: Nayna Jain <nayna@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221106205839.600442-2-na...
```diff diff --git a/arch/powerpc/platforms/pseries/plpks.h b/arch/powerpc/platforms/pseries/plpks.h index c6a291367bb1..275ccd86bfb5 100644 --- a/arch/powerpc/platforms/pseries/plpks.h +++ b/arch/powerpc/platforms/pseries/plpks.h @@ -17,7 +17,7 @@ #define WORLDREADABLE 0x08000000 #define SIGNEDUPDATE 0x01000000 -#...
59dc2d94bc12dac53a5d2368ad97ca24e7cc5682
Analyze and fix the following issue in the Linux kernel code: powerpc/powermac: Fix symbol not declared warnings
Problem Details: 1. ppc_override_l2cr and ppc_override_l2cr_value are only used in l2cr_init() function, remove them and used *l2cr directly. 2. has_l2cache is not used outside of the file, so mark it static and do not initialise statics to 0. Fixes the following warnings: arch/powerpc/platforms/powermac/setu...
```diff diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index 04daa7f0a03c..4f7ee885a78f 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -70,9 +70,7 @@ #undef SHOW_GATWICK_IRQS -int ppc_override_l2cr = 0; -int ppc_...
afa1cda4097077e37639ca7098c2147e1885b2df
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries/eeh: Fix some kernel-doc warnings
Problem Details: Fixes the following W=1 kernel build warning(s): arch/powerpc/platforms/pseries/eeh_pseries.c:163: warning: Function parameter or member 'config_addr' not described in 'pseries_eeh_phb_reset' arch/powerpc/platforms/pseries/eeh_pseries.c:163: warning: Excess function parameter 'config_adddr' descrip...
```diff diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c index 8e40ccac0f44..ea890037843c 100644 --- a/arch/powerpc/platforms/pseries/eeh_pseries.c +++ b/arch/powerpc/platforms/pseries/eeh_pseries.c @@ -154,7 +154,7 @@ static int pseries_eeh_get_pe_config_addr(str...
f668027521561d1071ccf54500c82a58a1918b2b
Analyze and fix the following issue in the Linux kernel code: powerpc/8xx: Fix warning in hw_breakpoint_handler()
Problem Details: In hw_breakpoint_handler(), ea is set by wp_get_instr_detail() except for 8xx, leading the variable to be passed uninitialised to wp_check_constraints(). This is safe as wp_check_constraints() returns early without using ea, so just set it to make the compiler happy. Signed-off-by: Russell Currey <ru...
```diff diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 8db1a15d7acb..e1b4e70c8fd0 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -646,7 +646,7 @@ int hw_breakpoint_handler(struct die_args *args) ppc_inst_t instr = ppc_inst(0)...
04757c5e21ea17615b66f45e38f1cab32a7a0654
Analyze and fix the following issue in the Linux kernel code: selftests/powerpc: Fix spelling mistake "mmaping" -> "mmapping"
Problem Details: There is a spelling mistake in a perror message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20221021084545.65973-1-colin.i.king@gmail.com
```diff diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c index bbc05ffc5860..1a70a96f0bfe 100644 --- a/tools/testing/selftests/powerpc/ptrace/core-pkey.c +++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c @@ -329,7 +329,7 @@ static int parent(str...
16a3f41ff3322830683d3ccc14d77736829c61bf
Analyze and fix the following issue in the Linux kernel code: powerpc/mpic_msgr: fix cast removes address space of expression warnings
Problem Details: When build Linux kernel, encounter the following warnings: ./arch/powerpc/sysdev/mpic_msgr.c:230:38: warning: cast removes address space '__iomem' of expression ./arch/powerpc/sysdev/mpic_msgr.c:230:27: warning: incorrect type in assignment (different address spaces) The data type of msgr->mer and ms...
```diff diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index a439e33eae06..d75064fb7d12 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -20,7 +20,7 @@ #define MPIC_MSGR_REGISTERS_PER_BLOCK 4 #define MPIC_MSGR_STRIDE 0x10 -#define MPIC_MSGR_MER_O...
8b49670f3bb3f10cd4d5a6dca17f5a31b173ecdc
Analyze and fix the following issue in the Linux kernel code: powerpc/xive: add missing iounmap() in error path in xive_spapr_populate_irq_data()
Problem Details: If remapping 'data->trig_page' fails, the 'data->eoi_mmio' need be unmapped before returning from xive_spapr_populate_irq_data(). Fixes: eac1e731b59e ("powerpc/xive: guest exploitation of the XIVE interrupt controller") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Reviewed-by: Cédric Le Go...
```diff diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c index e2c8f93b535b..e45419264391 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -439,6 +439,7 @@ static int xive_spapr_populate_irq_data(u32 hw_irq, struct xive_irq_data *data) data->tri...
579aee9fc594af94c242068c011b0233563d4bbf
Analyze and fix the following issue in the Linux kernel code: powerpc: suppress some linker warnings in recent linker versions
Problem Details: This is a follow on from commit 0d362be5b142 ("Makefile: link with -z noexecstack --no-warn-rwx-segments") for arch/powerpc/boot to address wanrings like: ld: warning: opal-calls.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be remo...
```diff diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper index 5bdd4dd20bbb..a8a87d7667f4 100755 --- a/arch/powerpc/boot/wrapper +++ b/arch/powerpc/boot/wrapper @@ -215,6 +215,11 @@ ld_version() }' } +ld_is_lld() +{ + ${CROSS}ld -V 2>&1 | grep -q LLD +} + # Do not include PT_INTERP segment wh...
2cb1dfac6f792f9e4a092793215f0d26e9f8d5b2
Analyze and fix the following issue in the Linux kernel code: powerpc/sysdev: Remove some duplicate prefix in some messages
Problem Details: At the beginning of the file, we have: #define pr_fmt(fmt) "xive: " fmt So, there is no need to duplicate "XIVE:" in debug and error messages. For the records, these useless prefix have been added in commit 5af50993850a ("KVM: PPC: Book3S HV: Native usage of the XIVE interrupt controller") Signed...
```diff diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 3925825954bc..19d880ebc5e6 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -535,13 +535,13 @@ static bool __init xive_parse_provisioning(struct device_node *np) static void __init ...
3e65412709293d5fb65249408e8e801b23b72635
Analyze and fix the following issue in the Linux kernel code: powerpc: Make instruction dump work with scripts/decodecode
Problem Details: Matt reported that scripts/decodecode doesn't work for the instruction dump in the powerpc oops output. Although there are scripts around that can decode it, it would be preferable if the standard in-tree script worked. All other arches prefix the instruction dump with "Code:", and that's what the scr...
```diff diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 67da147fe34d..3372b5c21168 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1359,7 +1359,7 @@ static void show_instructions(struct pt_regs *regs) unsigned long nip = regs->nip; unsigned long pc...
1c4a4a4c8410be4a231a58b23e7a30923ff954ac
Analyze and fix the following issue in the Linux kernel code: powerpc/xmon: Fix -Wswitch-unreachable warning in bpt_cmds
Problem Details: When building with automatic stack variable initialization, GCC 12 complains about variables defined outside of switch case statements. Move the variable into the case that uses it, which silences the warning: arch/powerpc/xmon/xmon.c: In function ‘bpt_cmds’: arch/powerpc/xmon/xmon.c:1529:13: warning:...
```diff diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index f51c882bf902..e34d7809f6c9 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1525,9 +1525,9 @@ bpt_cmds(void) cmd = inchar(); switch (cmd) { - static const char badaddr[] = "Only kernel addresses are permitted fo...
4ac9d3187cc7ccba25f76a3faef3e08a366f77b9
Analyze and fix the following issue in the Linux kernel code: powerpc/kvm: Remove unused references for MMCR3/SIER2/SIER3 registers
Problem Details: Commit 57dc0eed73ca ("KVM: PPC: Book3S HV P9: Implement PMU save/restore in C") removed the PMU save/restore functions from assembly code and implemented these functions in C, for power9 and later platforms. After the code refactoring, Performance Monitoring Unit (PMU) registers became part of "p9_hos...
```diff diff --git a/arch/powerpc/include/asm/kvm_book3s_asm.h b/arch/powerpc/include/asm/kvm_book3s_asm.h index c8882d9b86c2..a36797938620 100644 --- a/arch/powerpc/include/asm/kvm_book3s_asm.h +++ b/arch/powerpc/include/asm/kvm_book3s_asm.h @@ -105,7 +105,7 @@ struct kvmppc_host_state { void __iomem *xive_tima_virt...
2223552256dfc48435e0699dbe1e9b8d2cd56b06
Analyze and fix the following issue in the Linux kernel code: powerpc/kvm: Remove unused macros from asm-offset
Problem Details: The kvm code was refactored to convert some of kvm assembly routines to C. This includes commits which moved code path for the kvm guest entry/exit for p7/8 from aseembly to C. As part of the code changes, usage of some of the macros were removed. But definitions still exist in the assembly files. Comm...
```diff diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 4ce2a4aa3985..b4b661f631f5 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -418,21 +418,18 @@ int main(void) /* book3s */ #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE - OFFSET(KVM_TLB_...
ff8fae94e26f5cd2779ceda0ee6d714a10501abd
Analyze and fix the following issue in the Linux kernel code: drivers/ps3: Fix double word in comments
Problem Details: Drop the repeated word "when" in comments. Signed-off-by: Shaomin Deng <dengshaomin@cdjrlc.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220904155102.26957-1-dengshaomin@cdjrlc.com
```diff diff --git a/drivers/ps3/ps3-lpm.c b/drivers/ps3/ps3-lpm.c index 65512b6cc6fd..200ad8751860 100644 --- a/drivers/ps3/ps3-lpm.c +++ b/drivers/ps3/ps3-lpm.c @@ -1066,7 +1066,7 @@ EXPORT_SYMBOL_GPL(ps3_disable_pm_interrupts); * instance, specified by one of enum ps3_lpm_tb_type. * @tb_cache: Optional user sup...
14b5d59a261b1947db287b3b52f4bb1dc496dede
Analyze and fix the following issue in the Linux kernel code: powerpc/pseries: Fix formatting to make code look more beautiful
Problem Details: Operators should be separated by spaces in tce_buildmulti_pSeriesLP() Signed-off-by: Deming Wang <wangdeming@inspur.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220701094553.1722-1-wangdeming@inspur.com
```diff diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 561adac69022..c74b71d4733d 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -248,7 +248,7 @@ static int tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tce...
5f58cad1e4c65bebee34292696c6d2105eeb2027
Analyze and fix the following issue in the Linux kernel code: ocxl: fix pci device refcount leak when calling get_function_0()
Problem Details: get_function_0() calls pci_get_domain_bus_and_slot(), as comment says, it returns a pci device with refcount increment, so after using it, pci_dev_put() needs be called. Get the device reference when get_function_0() is not called, so pci_dev_put() can be called in the error path and callers unconditi...
```diff diff --git a/drivers/misc/ocxl/config.c b/drivers/misc/ocxl/config.c index e401a51596b9..92ab49705f64 100644 --- a/drivers/misc/ocxl/config.c +++ b/drivers/misc/ocxl/config.c @@ -193,6 +193,18 @@ static int read_dvsec_vendor(struct pci_dev *dev) return 0; } +/** + * get_dvsec_vendor0() - Find a related PCI...
295faa17722a11cac8dbf51e4c9f9405a5e07ef1
Analyze and fix the following issue in the Linux kernel code: ocxl: fix possible name leak in ocxl_file_register_afu()
Problem Details: If device_register() returns error in ocxl_file_register_afu(), the name allocated by dev_set_name() need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cle...
```diff diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index d46dba2df5a1..452d5777a0e4 100644 --- a/drivers/misc/ocxl/file.c +++ b/drivers/misc/ocxl/file.c @@ -541,8 +541,11 @@ int ocxl_file_register_afu(struct ocxl_afu *afu) goto err_put; rc = device_register(&info->dev); - if (rc) - goto er...
8bf03f557d6c6e108cf47bea32f4a68e276e1157
Analyze and fix the following issue in the Linux kernel code: cxl: fix possible null-ptr-deref in cxl_pci_init_afu|adapter()
Problem Details: If device_register() fails in cxl_pci_afu|adapter(), the device is not added, device_unregister() can not be called in the error path, otherwise it will cause a null-ptr-deref because of removing not added device. As comment of device_register() says, it should use put_device() to give up the referenc...
```diff diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 62385a529d86..0ff944860dda 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1165,10 +1165,10 @@ static int pci_init_afu(struct cxl *adapter, int slice, struct pci_dev *dev) * if it returns an error! */ if ((rc = cxl_r...
f949ccee1dde970bc77dc871b4f0b5e651577344
Analyze and fix the following issue in the Linux kernel code: cxl: fix possible null-ptr-deref in cxl_guest_init_afu|adapter()
Problem Details: If device_register() fails in cxl_register_afu|adapter(), the device is not added, device_unregister() can not be called in the error path, otherwise it will cause a null-ptr-deref because of removing not added device. As comment of device_register() says, it should use put_device() to give up the ref...
```diff diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c index 375f692ae9d6..fb95a2d5cef4 100644 --- a/drivers/misc/cxl/guest.c +++ b/drivers/misc/cxl/guest.c @@ -965,10 +965,10 @@ int cxl_guest_init_afu(struct cxl *adapter, int slice, struct device_node *afu_n * if it returns an error! */ if ((...
f301a29f143760ce8d3d6b6a8436d45d3448cde6
Analyze and fix the following issue in the Linux kernel code: drm/i915: Never return 0 if not all requests retired
Problem Details: Users of intel_gt_retire_requests_timeout() expect 0 return value on success. However, we have no protection from passing back 0 potentially returned by a call to dma_fence_wait_timeout() when it succedes right after its timeout has expired. Replace 0 with -ETIME before potentially using the timeout ...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_gt_requests.c b/drivers/gpu/drm/i915/gt/intel_gt_requests.c index edb881d75630..1dfd01668c79 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt_requests.c +++ b/drivers/gpu/drm/i915/gt/intel_gt_requests.c @@ -199,7 +199,7 @@ out_active: spin_lock(&timelines->lock); if (re...
f235dbd5b768e238d365fd05d92de5a32abc1c1f
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix negative value passed as remaining time
Problem Details: Commit b97060a99b01 ("drm/i915/guc: Update intel_gt_wait_for_idle to work with GuC") extended the API of intel_gt_retire_requests_timeout() with an extra argument 'remaining_timeout', intended for passing back unconsumed portion of requested timeout when 0 (success) is returned. However, when request ...
```diff diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index ca3210dd7b22..600c79bb2ffc 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -676,8 +676,13 @@ int intel_gt_wait_for_idle(struct intel_gt *gt, long timeout) return -EINTR; }...
4b03d5e0d3e86ee492d54254927d020dc0fe8acf
Analyze and fix the following issue in the Linux kernel code: drm/bridge: ti-sn65dsi83: Fix delay after reset deassert to match spec
Problem Details: The datasheet specifies a delay of 10 milliseconds, but the current driver only waits for 1 ms. Fix this to make sure the initialization sequence meets the spec. Fixes: ceb515ba29ba ("drm/bridge: ti-sn65dsi83: Add TI SN65DSI83 and SN65DSI84 driver") Signed-off-by: Frieder Schrempf <frieder.schrempf@ko...
```diff diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c index 7ba9467fff12..047c14ddbbf1 100644 --- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c +++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c @@ -346,7 +346,7 @@ static void sn65dsi83_atomic_enable(struct drm_bridge *bridge, /* Dea...
1d09697ff22908ae487fc8c4fbde1811732be523
Analyze and fix the following issue in the Linux kernel code: cxl: Fix refcount leak in cxl_calc_capp_routing
Problem Details: of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. This function only calls of_node_put() in normal path, missing it in the error path. Add missing of_node_put() to avoid refcount leak. Fixes: f24be42aab37 ("cxl: Add psl9 spe...
```diff diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 3de0aea62ade..62385a529d86 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -387,6 +387,7 @@ int cxl_calc_capp_routing(struct pci_dev *dev, u64 *chipid, rc = get_phb_index(np, phb_index); if (rc) { pr_err("cxl: invalid ...
37195edebf479b94f1e20c2a83a29e4beebe7ff5
Analyze and fix the following issue in the Linux kernel code: cxl: fix typo in comment
Problem Details: Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Acked-by: Andrew Donnellan <ajd@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220521111145.81697-82-Julia.Lawa...
```diff diff --git a/include/misc/cxl.h b/include/misc/cxl.h index 0410412de16b..d8044299d654 100644 --- a/include/misc/cxl.h +++ b/include/misc/cxl.h @@ -30,7 +30,7 @@ unsigned int cxl_pci_to_cfg_record(struct pci_dev *dev); /* * Context lifetime overview: * - * An AFU context may be inited and then started and s...
4562bffb83b88e61ea9c9912e50efbd5a941f0b3
Analyze and fix the following issue in the Linux kernel code: powerpc/mpc52xx_lpbfifo: fix all kernel-doc warnings
Problem Details: Fix multiple kernel-doc warnings in mpc52xx_lpbfifo.c: arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c:377: warning: expecting prototype for mpc52xx_lpbfifo_bcom_poll(). Prototype was for mpc52xx_lpbfifo_poll() instead mpc52xx_lpbfifo.c:221: warning: No description found for return value of 'mpc52xx_lp...
```diff diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 2875c206ac0f..6d1dd6e87478 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -59,6 +59,8 @@ static struct mpc52xx_lpbfifo lpbfifo; /...
5836947613ef33d311b4eff6a32d019580a214f5
Analyze and fix the following issue in the Linux kernel code: powerpc/52xx: Fix a resource leak in an error handling path
Problem Details: The error handling path of mpc52xx_lpbfifo_probe() has a request_irq() that is not balanced by a corresponding free_irq(). Add the missing call, as already done in the remove function. Fixes: 3c9059d79f5e ("powerpc/5200: add LocalPlus bus FIFO device driver") Signed-off-by: Christophe JAILLET <christ...
```diff diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index 48038aaedbd3..2875c206ac0f 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -531,6 +531,7 @@ static int mpc52xx_lpbfifo_probe(struct p...
dbaa3105736d4d73063ea0a3b01cd7fafce924e6
Analyze and fix the following issue in the Linux kernel code: macintosh/macio-adb: check the return value of ioremap()
Problem Details: The function ioremap() in macio_init() can fail, so its return value should be checked. Fixes: 36874579dbf4c ("[PATCH] powerpc: macio-adb build fix") Reported-by: Hacash Robot <hacashRobot@santino.com> Signed-off-by: Xie Shaowen <studentxswpy@163.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.a...
```diff diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index 3721402582b4..55a9f8c3a150 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -108,6 +108,10 @@ int macio_init(void) return -ENXIO; } adb = ioremap(r.start, sizeof(struct adb_regs)); + if (!adb...
5ca86eae55a2f006e6c1edd2029b2cacb6979515
Analyze and fix the following issue in the Linux kernel code: macintosh: fix possible memory leak in macio_add_one_device()
Problem Details: Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically. It needs to be freed when of_device_register() fails. Call put_device() to give up the reference that's taken in device_initialize(), so that it can be freed in kobject...
```diff diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 1ec1e5984563..3bc1f374e657 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -424,7 +424,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, if (of_device_register(&dev...
fc21ed8f26d980428f9b4e08e0fb72c7f7ffc9b8
Analyze and fix the following issue in the Linux kernel code: macintosh/macio-adb: Fix warning comparing pointer to 0
Problem Details: Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1647509089-4280-1-git-send-email-baihaowen@meizu.com
```diff diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c index 9b63bd2551c6..3721402582b4 100644 --- a/drivers/macintosh/macio-adb.c +++ b/drivers/macintosh/macio-adb.c @@ -100,7 +100,7 @@ int macio_init(void) unsigned int irq; adbs = of_find_compatible_node(NULL, "adb", "chrp,adb0"); - ...
a823307bf0a3b79b27eea916bf6499ba4377cdf9
Analyze and fix the following issue in the Linux kernel code: macintosh/windfarm_pm121: Fix warning comparing pointer to 0
Problem Details: Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1647485822-16717-1-git-send-email-baihaowen@meizu.com
```diff diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c index 36312f163aac..82500417ebee 100644 --- a/drivers/macintosh/windfarm_pm121.c +++ b/drivers/macintosh/windfarm_pm121.c @@ -651,7 +651,7 @@ static void pm121_create_cpu_fans(void) /* First, locate the PID params in SMU SB...
88316944c3b3aa3ce3249c51689ef1621049df9d
Analyze and fix the following issue in the Linux kernel code: macintosh/windfarm_pm91: Fix warning comparing pointer to 0
Problem Details: Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1647484953-15249-1-git-send-email-baihaowen@meizu.com
```diff diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c index c8535855360d..120a9cfba0c5 100644 --- a/drivers/macintosh/windfarm_pm91.c +++ b/drivers/macintosh/windfarm_pm91.c @@ -150,7 +150,7 @@ static void wf_smu_create_cpu_fans(void) /* First, locate the PID params in SMU SBD *...
2f59562c140d3119328f869126e8e593a99a392f
Analyze and fix the following issue in the Linux kernel code: macintosh/adb: Fix warning comparing pointer to 0
Problem Details: Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1647484554-13258-1-git-send-email-baihaowen@meizu.com
```diff diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 1bbb9ca08d40..23bd0c77ac1a 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -478,7 +478,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids, if ((adb_handler[i].original_address == default_id) && ...
e0acfdd13474815696595206e11169736b4bca9d
Analyze and fix the following issue in the Linux kernel code: macintosh/windfarm_pm81: Fix warning comparing pointer to 0
Problem Details: Avoid pointer type value compared with 0 to make code clear. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1647484359-12402-1-git-send-email-baihaowen@meizu.com
```diff diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c index e0f4743f21cc..257fb2c695c5 100644 --- a/drivers/macintosh/windfarm_pm81.c +++ b/drivers/macintosh/windfarm_pm81.c @@ -401,7 +401,7 @@ static void wf_smu_create_cpu_fans(void) /* First, locate the PID params in SMU SBD *...
89d21e259a94f7d5582ec675aa445f5a79f347e4
Analyze and fix the following issue in the Linux kernel code: powerpc/bpf/32: Fix Oops on tail call tests
Problem Details: test_bpf tail call tests end up as: test_bpf: #0 Tail call leaf jited:1 85 PASS test_bpf: #1 Tail call 2 jited:1 111 PASS test_bpf: #2 Tail call 3 jited:1 145 PASS test_bpf: #3 Tail call 4 jited:1 170 PASS test_bpf: #4 Tail call load/store leaf jited:1 190 PASS test_bpf: #5 Tail call load/...
```diff diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c index 43f1c76d48ce..a379b0ce19ff 100644 --- a/arch/powerpc/net/bpf_jit_comp32.c +++ b/arch/powerpc/net/bpf_jit_comp32.c @@ -113,23 +113,19 @@ void bpf_jit_build_prologue(u32 *image, struct codegen_context *ctx) { int i; - /*...
2399401feee27c639addc5b7e6ba519d3ca341bf
Analyze and fix the following issue in the Linux kernel code: mtd: maps: pxa2xx-flash: fix memory leak in probe
Problem Details: Free 'info' upon remapping error to avoid a memory leak. Fixes: e644f7d62894 ("[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver") Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> [<miquel.raynal@bootlin.com>: Reword the commit log] Signed-off-by: Miquel Raynal <miquel.r...
```diff diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index 1749dbbacc13..62a5bf41a6d7 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -64,6 +64,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev) if (!info->map.virt) { printk(KERN...
56570bdad5e31c5c538cd6efff5c4510256e1bb4
Analyze and fix the following issue in the Linux kernel code: mtd: core: Fix refcount error in del_mtd_device()
Problem Details: del_mtd_device() will call of_node_put() to mtd_get_of_node(mtd), which is mtd->dev.of_node. However, memset(&mtd->dev, 0) is called before of_node_put(). As the result, of_node_put() won't do anything in del_mtd_device(), and causes the refcount leak. del_mtd_device() memset(&mtd->dev, 0, sizeof(...
```diff diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index 6c4683a5e531..0feacb9fbdac 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -780,6 +780,7 @@ int del_mtd_device(struct mtd_info *mtd) { int ret; struct mtd_notifier *not; + struct device_node *mtd_of_node; mutex_lock(&mtd...
392a58f1eaab0c90b80d7ba4a03dbf6eaaeabe60
Analyze and fix the following issue in the Linux kernel code: KVM: PPC: Book3S HV: XIVE: Fix spelling mistakes
Problem Details: Change 'subsquent' to 'subsequent'. Change 'accross' to 'across'. Signed-off-by: Zhang Jiaming <jiaming@nfschina.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220623102031.15359-1-jiaming@nfschina.com
```diff diff --git a/arch/powerpc/kvm/book3s_xive.c b/arch/powerpc/kvm/book3s_xive.c index 4ca23644f752..b4b680f2d853 100644 --- a/arch/powerpc/kvm/book3s_xive.c +++ b/arch/powerpc/kvm/book3s_xive.c @@ -539,7 +539,7 @@ static int xive_vm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr) if (irq == XICS_IPI || irq == 0...
6a3fc8c330d1c1fa3d8773d7d38a7c55c4900dfe
Analyze and fix the following issue in the Linux kernel code: ARM: at91: fix build for SAMA5D3 w/o L2 cache
Problem Details: The L2 cache is present on the newer SAMA5D2 and SAMA5D4 families, but apparently not for the older SAMA5D3. Solves a build-time regression with the following symptom: sama5.c:(.init.text+0x48): undefined reference to `outer_cache' Fixes: 3b5a7ca7d252 ("ARM: at91: setup outer cache .write_sec() call...
```diff diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c index 67ed68fbe3a5..bf2b5c6a18c6 100644 --- a/arch/arm/mach-at91/sama5.c +++ b/arch/arm/mach-at91/sama5.c @@ -26,7 +26,7 @@ static void sama5_l2c310_write_sec(unsigned long val, unsigned reg) static void __init sama5_secure_cache_init(void) ...
e2e6a217a84d09785848a82599729c9a41566e3a
Analyze and fix the following issue in the Linux kernel code: clk: microchip: check for null return of devm_kzalloc()
Problem Details: Because of the possible failure of devm_kzalloc(), name might be NULL and will cause null pointer dereference later. Therefore, it might be better to check it and directly return -ENOMEM. Fixes: d39fb172760e ("clk: microchip: add PolarFire SoC fabric clock support") Signed-off-by: Hui Tang <tanghui20...
```diff diff --git a/drivers/clk/microchip/clk-mpfs-ccc.c b/drivers/clk/microchip/clk-mpfs-ccc.c index 7be028dced63..32aae880a14f 100644 --- a/drivers/clk/microchip/clk-mpfs-ccc.c +++ b/drivers/clk/microchip/clk-mpfs-ccc.c @@ -166,6 +166,9 @@ static int mpfs_ccc_register_outputs(struct device *dev, struct mpfs_ccc_out_...
17b8d847b92d815d1638f0de154654081d66b281
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Fix reference count leak in __uncore_imc_init_box()
Problem Details: pci_get_device() will increase the reference count for the returned pci_dev, so tgl_uncore_get_mc_dev() will return a pci_dev with its reference count increased. We need to call pci_dev_put() to decrease the reference count before exiting from __uncore_imc_init_box(). Add pci_dev_put() for both normal ...
```diff diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index 1ef4f7861e2e..1f4869227efb 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -1338,6 +1338,7 @@ static void __uncore_imc_init_box(struct intel_uncore_box *box, /* MCHBAR is disa...
8ebd16c11c346751b3944d708e6c181ed4746c39
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Fix reference count leak in snr_uncore_mmio_map()
Problem Details: pci_get_device() will increase the reference count for the returned pci_dev, so snr_uncore_get_mc_dev() will return a pci_dev with its reference count increased. We need to call pci_dev_put() to decrease the reference count. Let's add the missing pci_dev_put(). Fixes: ee49532b38dd ("perf/x86/intel/unc...
```diff diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 93b0f1f4d0d1..44c2f879f708 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -5111,6 +5111,8 @@ static int snr_uncore_mmio_map(struct intel_uncore_box *box, addr += bo...
1ff9dd6e7071a561f803135c1d684b13c7a7d01d
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()
Problem Details: pci_get_device() will increase the reference count for the returned 'dev'. We need to call pci_dev_put() to decrease the reference count. Since 'dev' is only used in pci_read_config_dword(), let's add pci_dev_put() right after it. Fixes: 9d480158ee86 ("perf/x86/intel/uncore: Remove uncore extra PCI de...
```diff diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index b14d59183516..93b0f1f4d0d1 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -2910,6 +2910,7 @@ static bool hswep_has_limit_sbox(unsigned int device) return false; ...
c508eb042d9739bf9473526f53303721b70e9100
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Fix reference count leak in sad_cfg_iio_topology()
Problem Details: pci_get_device() will increase the reference count for the returned pci_dev, and also decrease the reference count for the input parameter *from* if it is not NULL. If we break the loop in sad_cfg_iio_topology() with 'dev' not NULL. We need to call pci_dev_put() to decrease the reference count. Since ...
```diff diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index b8f9bd150b42..b14d59183516 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -4743,6 +4743,8 @@ static int sad_cfg_iio_topology(struct intel_uncore_type *type, u8 *sad_pmo...
efe062705d149b20a15498cb999a9edbb8241e6f
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Disable I/O stacks to PMU mapping on ICX-D
Problem Details: Current implementation of I/O stacks to PMU mapping doesn't support ICX-D. Detect ICX-D system to disable mapping. Fixes: 10337e95e04c ("perf/x86/intel/uncore: Enable I/O stacks to IIO PMON mapping on ICX") Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com> Signed-off-by: Peter Zijls...
```diff diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h index ef1414957623..fac3612289f1 100644 --- a/arch/x86/events/intel/uncore.h +++ b/arch/x86/events/intel/uncore.h @@ -2,6 +2,7 @@ #include <linux/slab.h> #include <linux/pci.h> #include <asm/apicdef.h> +#include <asm/intel-family.h>...
6532783310e2b2f50dc13f46c49aa6546cb6e7a3
Analyze and fix the following issue in the Linux kernel code: perf/x86/intel/uncore: Clear attr_update properly
Problem Details: Current clear_attr_update procedure in pmu_set_mapping() sets attr_update field in NULL that is not correct because intel_uncore_type pmu types can contain several groups in attr_update field. For example, SPR platform already has uncore_alias_group to update and then UPI topology group will be added i...
```diff diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index d3323f13c304..0d06b56b8a33 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3872,6 +3872,21 @@ static const struct attribute_group *skx_iio_attr_update[] = { NULL, };...
bf480f9385667309a8866e65833f261d4773df9a
Analyze and fix the following issue in the Linux kernel code: perf/core: Don't allow grouping events from different hw pmus
Problem Details: Event group from different hw pmus does not make sense and thus perf has never allowed it. However, with recent rewrite that restriction has been inadvertently removed. Fix it. Fixes: bd2756811766 ("perf: Rewrite core context handling") Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com> Signed-off-b...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index f2b865c0e182..65e20c5c3c44 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -12503,15 +12503,21 @@ SYSCALL_DEFINE5(perf_event_open, * perf_event_pmu_context. */ pmu = group_leader->pmu_ctx->pmu; - } else if (!is_softwar...
1af6239d1d3e61d33fd2f0ba53d3d1a67cc50574
Analyze and fix the following issue in the Linux kernel code: perf: Fix function pointer case
Problem Details: With the advent of CFI it is no longer acceptible to cast function pointers. The robot complains thusly: kernel-events-core.c:warning:cast-from-int-(-)(struct-perf_cpu_pmu_context-)-to-remote_function_f-(aka-int-(-)(void-)-)-converts-to-incompatible-function-type Reported-by: kernel test robot <lk...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index 5f262f91cd31..f2b865c0e182 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -1119,6 +1119,11 @@ static int perf_mux_hrtimer_restart(struct perf_cpu_pmu_context *cpc) return 0; } +static int perf_mux_hrtimer_restart_ipi(void *arg)...
b56ffa583350f605446d78cb4163114e4d1ac60c
Analyze and fix the following issue in the Linux kernel code: dma-buf: A collection of typo and documentation fixes
Problem Details: I've been collecting these typo fixes for a while and it feels like time to send them in. Signed-off-by: T.J. Mercier <tjmercier@google.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Tommaso Merciai <tommaso.merciai@amarulasolut...
```diff diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index b809513b03fe..6277ba3525de 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -1252,7 +1252,7 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_unmap_attachment_unlocked, DMA_BUF); * * @dmabuf: [in] buffer which is moving * - * ...
661e5ebbafd26d9d2e3c749f5cf591e55c7364f5
Analyze and fix the following issue in the Linux kernel code: net: thunderx: Fix the ACPI memory leak
Problem Details: The ACPI buffer memory (string.pointer) should be freed as the buffer is not used after returning from bgx_acpi_match_id(), free it to prevent memory leak. Fixes: 46b903a01c05 ("net, thunder, bgx: Add support to get MAC address from ACPI.") Signed-off-by: Yu Liao <liaoyu15@huawei.com> Link: https://lo...
```diff diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 2f6484dc186a..7eb2ddbe9bad 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -1436,8 +1436,10 @@ static acpi_status bgx...
030a976efae83f7b6593afb11a8254d42f9290fe
Analyze and fix the following issue in the Linux kernel code: perf: Consider OS filter fail
Problem Details: Some PMUs (notably the traditional hardware kind) have boundary issues with the OS filter. Specifically, it is possible for perf_event_attr::exclude_kernel=1 events to trigger in-kernel due to SKID or errata. This can upset the sigtrap logic some and trigger the WARN. However, if this invalid sample ...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index f2bb27e5c316..9d15d2d96119 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9273,6 +9273,19 @@ int perf_event_account_interrupt(struct perf_event *event) return __perf_event_account_interrupt(event, 1); } +static inline bool sam...
af169b7759a9b9369b5106cd07a25c57ce60119e
Analyze and fix the following issue in the Linux kernel code: perf: Fixup SIGTRAP and sample_flags interaction
Problem Details: The perf_event_attr::sigtrap functionality relies on data->addr being set. However commit 7b0846301531 ("perf: Use sample_flags for addr") changed this to only initialize data->addr when not 0. Fixes: 7b0846301531 ("perf: Use sample_flags for addr") Signed-off-by: Peter Zijlstra (Intel) <peterz@infrad...
```diff diff --git a/kernel/events/core.c b/kernel/events/core.c index 884871427a94..f2bb27e5c316 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -9328,7 +9328,10 @@ static int __perf_event_overflow(struct perf_event *event, */ WARN_ON_ONCE(event->pending_sigtrap != pending_id); } - event->...
ad17c2a3f11b0f6b122e7842d8f7d9a5fcc7ac63
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Fix reference count issue in rvu_sdp_init()
Problem Details: pci_get_device() will decrease the reference count for the *from* parameter. So we don't need to call put_device() to decrease the reference. Let's remove the put_device() in the loop and only decrease the reference count of the returned 'pdev' for the last loop because it will not be passed to pci_get...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c index b04fb226f708..ae50d56258ec 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_sdp.c @@ -62,15 +62,18 @@ int rvu_sdp_init(...
6aae1bcb41c7aefd28bf5d90e36ebdd151c2d8ba
Analyze and fix the following issue in the Linux kernel code: net: altera_tse: release phylink resources in tse_shutdown()
Problem Details: Call phylink_disconnect_phy() in tse_shutdown() to release the resources occupied by phylink_of_phy_connect() in the tse_open(). Fixes: fef2998203e1 ("net: altera: tse: convert to phylink") Signed-off-by: Liu Jian <liujian56@huawei.com> Link: https://lore.kernel.org/r/20221123011617.332302-1-liujian56...
```diff diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index 7633b227b2ca..711d5b5a4c49 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -990,6 +990,7 @@ static int tse_shutdown(struct net_device...
b0686565946368892c2cdf92f102392e24823588
Analyze and fix the following issue in the Linux kernel code: virtio_net: Fix probe failed when modprobe virtio_net
Problem Details: When doing the following test steps, an error was found: step 1: modprobe virtio_net succeeded # modprobe virtio_net <-- OK step 2: fault injection in register_netdevice() # modprobe -r virtio_net <-- OK # ... FAULT_INJECTION: forcing a failure. name failslab, in...
```diff diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 7106932c6f88..86e52454b5b5 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -3949,12 +3949,11 @@ static int virtnet_probe(struct virtio_device *vdev) return 0; free_unregister_netdev: - virtio_reset_device(vdev); ...
9034b29251818ab7b4b38bf6ca860cee45d2726a
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, block offload requests with encrypt off
Problem Details: Currently offloading MACsec with authentication only (encrypt property set to off) is not supported, block such requests when adding/updating a macsec device. Fixes: 8ff0ac5be144 ("net/mlx5: Add MACsec offload Tx command support") Signed-off-by: Emeel Hakim <ehakim@nvidia.com> Reviewed-by: Raed Salem ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 137b34347de1..0d6dc394a12a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -458,6 +45...
7c5578e29963c35bb14d08b15df77a0c11f71fc5
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix Tx SA active field update
Problem Details: Currently during update Tx security association (SA) flow, the Tx SA active state is updated only if the Tx SA in question is the same SA that the MACsec interface is using for Tx,in consequence when the MACsec interface chose to work with this Tx SA later, where this SA for example should have been up...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 72f8be65fa90..137b34347de1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -602,6 +60...
c0071be0e16c461680d87b763ba1ee5e46548fde
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, remove replay window size limitation in offload path
Problem Details: Currently offload path limits replay window size to 32/64/128/256 bits, such a limitation should not exist since software allows it. Remove such limitation. Fixes: eb43846b43c3 ("net/mlx5e: Support MACsec offload replay window") Signed-off-by: Emeel Hakim <ehakim@nvidia.com> Reviewed-by: Raed Salem <r...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index c19581f1f733..72f8be65fa90 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -229,22 +2...
194cc051e29ea1641d424126b8f28f9d31d5c655
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix add Rx security association (SA) rule memory leak
Problem Details: Currently MACsec's add Rx SA flow steering (fs) rule routine uses a spec object which is dynamically allocated and do not free it upon leaving. The above led to a memory leak. Fix by freeing dynamically allocated objects. Fixes: 3b20949cb21b ("net/mlx5e: Add MACsec RX steering rules") Signed-off-by: ...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c index f87a1c4021bc..5b658a5588c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c @...
ceb51b273ec0b1a32de8a167c28a602bb3d290a1
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix mlx5e_macsec_update_rxsa bail condition and functionality
Problem Details: Fix update Rx SA wrong bail condition, naturally update functionality needs to check that something changed otherwise bailout currently the active state check does just the opposite, furthermore unlike deactivate path which remove the macsec rules to deactivate the offload, the activation path does not...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 9c891a877998..c19581f1f733 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -427,15 +4...
eead5ea2fce4196139f399a5727602c3747e1370
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix update Rx secure channel active field
Problem Details: The main functionality for this operation is to update the active state of the Rx security channel (SC) if the new active setting is different from the current active state of this Rx SC, however the relevant active state check is done post updating the current active state to match the new active stat...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index b51de07d5bad..9c891a877998 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -803,10 +8...
9b9e23c4dc2b632ece44c68ce6aebc0bf841d6a2
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix memory leak when MACsec device is deleted
Problem Details: When the MACsec netdevice is deleted, all related Rx/Tx HW/SW states should be released/deallocated, however currently part of the Rx security channel association data is not cleaned properly, hence the memory leaks. Fix by make sure all related Rx Sc resources are cleaned/freed, while at it improve c...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 96fa553ef93a..b51de07d5bad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -823,16 +8...
813115c4669d74cdf6fc253c5a1768d1202073c3
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: MACsec, fix RX data path 16 RX security channel limit
Problem Details: Currently the data path metadata flow id mask wrongly limits the number of different RX security channels (SC) to 16, whereas in adding RX SC the limit is "2^16 - 1" this cause an overlap in metadata flow id once more than 16 RX SCs is added, this corrupts MACsec RX offloaded flow handling. Fix by usi...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index 3dc6c987b8da..96fa553ef93a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -736,9 +73...
406e6db7fcaf2a47f6ac8bef47057305c6bc8b0e
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Use kvfree() in mlx5e_accel_fs_tcp_create()
Problem Details: 'accel_tcp' is allocated by kvzalloc(), which should freed by kvfree(). Fixes: f52f2faee581 ("net/mlx5e: Introduce flow steering API") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c index 285d32d2fd08..d7c020f72401 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/fs_tcp.c @@ -365,7 +36...
bc59c7d326d28a12f61cd068e459235a7a0bd009
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix a couple error codes
Problem Details: If kvzalloc() fails then return -ENOMEM. Don't return success. Fixes: 3b20949cb21b ("net/mlx5e: Add MACsec RX steering rules") Fixes: e467b283ffd5 ("net/mlx5e: Add MACsec TX steering rules") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c index 1ac0cf04e811..96cec6d826c2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec_fs.c @...
52c795af04441d76f565c4634f893e5b553df2ae
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: Fix use-after-free when reverting termination table
Problem Details: When having multiple dests with termination tables and second one or afterwards fails the driver reverts usage of term tables but doesn't reset the assignment in attr->dests[num_vport_dests].termtbl which case a use-after-free when releasing the rule. Fix by resetting the assignment of termtbl to null....
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c index 108a3503f413..edd910258314 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads_termtbl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswi...
3f5769a074c13d8f08455e40586600419e02a880
Analyze and fix the following issue in the Linux kernel code: net/mlx5: Fix uninitialized variable bug in outlen_write()
Problem Details: If sscanf() return 0, outlen is uninitialized and used in kzalloc(), this is unexpected. We should return -EINVAL if the string is invalid. Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Leon Romanovsky <leonro@n...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 74bd05e5dda2..e7a894ba5c3e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -1497,8 +1497,8 @@ static ssize_t outlen_write(struct file...
e87c6a832f889c093c055a30a7b8c6843e6573bf
Analyze and fix the following issue in the Linux kernel code: net/mlx5: E-switch, Fix duplicate lag creation
Problem Details: If creating bond first and then enabling sriov in switchdev mode, will hit the following syndrome: mlx5_core 0000:08:00.0: mlx5_cmd_out_err:778:(pid 25543): CREATE_LAG(0x840) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x7d49cb), err(-22) The reason is because the offending patch removes...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index f68dc2d0dbe6..3029bc1c0dd0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -736,6 +736,14 @@ void mlx5_eswitch_offloa...
2318b8bb94a3a21363cd0d49cad5934bd1e2d60e
Analyze and fix the following issue in the Linux kernel code: net/mlx5: E-switch, Destroy legacy fdb table when needed
Problem Details: The cited commit removes eswitch mode none. But when disabling sriov in legacy mode or changing from switchdev to legacy mode without sriov enabled, the legacy fdb table is not destroyed. It is not the right behavior. Destroy legacy fdb table in above two caes. Fixes: f019679ea5f2 ("net/mlx5: E-switc...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 2169486c4bfb..374e3fbdc2cf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1362,6 +1362,9 @@ void mlx5_eswitch_disab...
52f7cf70eb8fac6111786c59ae9dfc5cf2bee710
Analyze and fix the following issue in the Linux kernel code: net/mlx5: DR, Fix uninitialized var warning
Problem Details: Smatch warns this: drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c:81 mlx5dr_table_set_miss_action() error: uninitialized symbol 'ret'. Initializing ret with -EOPNOTSUPP and fix missing action case. Fixes: 7838e1725394 ("net/mlx5: DR, Expose steering table functionality") Signed-off-by:...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c index 31d443dd8386..f68461b13391 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_table.c @@ -4...
630f337f0c4fd80390e8600adcab31550aea33df
Analyze and fix the following issue in the Linux kernel code: x86/boot/compressed: Simplify IDT/GDT preserve/restore in the EFI thunk
Problem Details: Tweak the asm and remove some redundant instructions. While at it, fix the associated comment for style and correctness. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20221122161017.2426828-9-ardb@kernel.org
```diff diff --git a/arch/x86/boot/compressed/efi_mixed.S b/arch/x86/boot/compressed/efi_mixed.S index 8844d8ed4b1c..8b02e507d3bb 100644 --- a/arch/x86/boot/compressed/efi_mixed.S +++ b/arch/x86/boot/compressed/efi_mixed.S @@ -96,24 +96,20 @@ SYM_FUNC_START(__efi64_thunk) leaq 0x20(%rsp), %rbx sgdt (%rbx) - - add...
08e8a949f684e1fbc4b1efd2337d72ec8f3613d9
Analyze and fix the following issue in the Linux kernel code: net: wwan: t7xx: Fix the ACPI memory leak
Problem Details: The ACPI buffer memory (buffer.pointer) should be freed as the buffer is not used after acpi_evaluate_object(), free it to prevent memory leak. Fixes: 13e920d93e37 ("net: wwan: t7xx: Add core components") Signed-off-by: Hanjun Guo <guohanjun@huawei.com> Link: https://lore.kernel.org/r/1669119580-28977...
```diff diff --git a/drivers/net/wwan/t7xx/t7xx_modem_ops.c b/drivers/net/wwan/t7xx/t7xx_modem_ops.c index 3458af31e864..7d0f5e4f0a78 100644 --- a/drivers/net/wwan/t7xx/t7xx_modem_ops.c +++ b/drivers/net/wwan/t7xx/t7xx_modem_ops.c @@ -165,6 +165,8 @@ static int t7xx_acpi_reset(struct t7xx_pci_dev *t7xx_dev, char *fn_na...
cd07eadd5147ffdae11b6fd28b77a3872f2a2484
Analyze and fix the following issue in the Linux kernel code: octeontx2-pf: Add check for devm_kcalloc
Problem Details: As the devm_kcalloc may return NULL pointer, it should be better to add check for the return value, as same as the others. Fixes: e8e095b3b370 ("octeontx2-af: cn10k: Bandwidth profiles config support") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Maciej Fijalkowski <maciej.fijalko...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 7646bb2ec89b..a62c1b322012 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4985,6 +4985,8 @@ static int nix_...
290b5fe096e7dd0aad730d1af4f7f2d9fea43e11
Analyze and fix the following issue in the Linux kernel code: net: enetc: preserve TX ring priority across reconfiguration
Problem Details: In the blamed commit, a rudimentary reallocation procedure for RX buffer descriptors was implemented, for the situation when their format changes between normal (no PTP) and extended (PTP). enetc_hwtstamp_set() calls enetc_close() and enetc_open() in a sequence, and this sequence loses information whi...
```diff diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index f8c06c3f9464..8671591cb750 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -2058,7 +2058,7 @@ static void enetc_setup_txbdr(struct enetc_...
f8a65ab2f3ff7410921ebbf0dc55453102c33c56
Analyze and fix the following issue in the Linux kernel code: bonding: fix link recovery in mode 2 when updelay is nonzero
Problem Details: Before this change when a bond in mode 2 lost link, all of its slaves lost link, the bonding device would never recover even after the expiration of updelay. This change removes the updelay when the bond currently has no usable links. Conforming to bonding.txt section 13.1 paragraph 4. Fixes: 41f89100...
```diff diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 1cd4e71916f8..6c4348245d1f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2529,7 +2529,16 @@ static int bond_miimon_inspect(struct bonding *bond) struct slave *slave; bool ignore_upde...
9a234a2a085ab9fd2be8d0c1eedfcd10f74b97eb
Analyze and fix the following issue in the Linux kernel code: net: marvell: prestera: add missing unregister_netdev() in prestera_port_create()
Problem Details: If prestera_port_sfp_bind() fails, unregister_netdev() should be called in error handling path. Compile tested only. Fixes: 52323ef75414 ("net: marvell: prestera: add phylink support") Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com> Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@int...
```diff diff --git a/drivers/net/ethernet/marvell/prestera/prestera_main.c b/drivers/net/ethernet/marvell/prestera/prestera_main.c index 24f9d6024745..47796e4d900c 100644 --- a/drivers/net/ethernet/marvell/prestera/prestera_main.c +++ b/drivers/net/ethernet/marvell/prestera/prestera_main.c @@ -746,6 +746,7 @@ static in...
64a8f8f7127da228d59a39e2c5e75f86590f90b4
Analyze and fix the following issue in the Linux kernel code: ethtool: avoiding integer overflow in ethtool_phys_id()
Problem Details: The value of an arithmetic expression "n * id.data" is subject to possible overflow due to a failure to cast operands to a larger data type before performing arithmetic. Used macro for multiplication instead operator for avoiding overflow. Found by Linux Verification Center (linuxtesting.org) with SVA...
```diff diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c index 99272a67525c..c2f1a542e6fa 100644 --- a/net/ethtool/ioctl.c +++ b/net/ethtool/ioctl.c @@ -2013,7 +2013,8 @@ static int ethtool_phys_id(struct net_device *dev, void __user *useraddr) } else { /* Driver expects to be called at twice the frequency i...
0254f31a7df3bb3b90c2d9dd2d4052f7b95eb287
Analyze and fix the following issue in the Linux kernel code: nfc: st-nci: fix incorrect sizing calculations in EVT_TRANSACTION
Problem Details: The transaction buffer is allocated by using the size of the packet buf, and subtracting two which seems intended to remove the two tags which are not present in the target structure. This calculation leads to under counting memory because of differences between the packet contents and the target struc...
```diff diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index fc59916ae5ae..ec87dd21e054 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -312,6 +312,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, int r = 0; struct device *dev = &ndev->nfc_dev->dev; ...
440f2ae9c9f06e26f5dcea697a53717fc61a318c
Analyze and fix the following issue in the Linux kernel code: nfc: st-nci: fix memory leaks in EVT_TRANSACTION
Problem Details: Error path does not free previously allocated memory. Add devm_kfree() to the failure path. Reported-by: Denis Efremov <denis.e.efremov@oracle.com> Reviewed-by: Guenter Roeck <groeck@google.com> Fixes: 5d1ceb7f5e56 ("NFC: st21nfcb: Add HCI transaction event support") Signed-off-by: Martin Faltesek <mf...
```diff diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index 589e1dec78e7..fc59916ae5ae 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -339,8 +339,10 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, /* Check next byte is PARAMETERS tag (82) */ if ...
c60c152230828825c06e62a8f1ce956d4b659266
Analyze and fix the following issue in the Linux kernel code: nfc: st-nci: fix incorrect validating logic in EVT_TRANSACTION
Problem Details: The first validation check for EVT_TRANSACTION has two different checks tied together with logical AND. One is a check for minimum packet length, and the other is for a valid aid_tag. If either condition is true (fails), then an error should be triggered. The fix is to change && to ||. Reported-by: De...
```diff diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index 7764b1a4c3cf..589e1dec78e7 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -326,7 +326,7 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev, * AID 81 5 to 16 * PARAMETERS 82 ...
9c9ff300e0de07475796495d86f449340d454a0c
Analyze and fix the following issue in the Linux kernel code: scsi: hpsa: Fix possible memory leak in hpsa_init_one()
Problem Details: The hpda_alloc_ctlr_info() allocates h and its field reply_map. However, in hpsa_init_one(), if alloc_percpu() failed, the hpsa_init_one() jumps to clean1 directly, which frees h and leaks the h->reply_map. Fix by calling hpda_free_ctlr_info() to release h->replay_map and h instead free h directly. F...
```diff diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index f8e832b1bc46..e5cbc97a5ea4 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -8925,7 +8925,7 @@ clean1: /* wq/aer/h */ destroy_workqueue(h->monitor_ctlr_wq); h->monitor_ctlr_wq = NULL; } - kfree(h); + hpda_free_ctlr_info(h); retu...
a72629b5cdbc43e28a4a19b0fce8d17c582c4db4
Analyze and fix the following issue in the Linux kernel code: scsi: target: core: Fix hard lockup when executing a compare-and-write command
Problem Details: While handling an I/O completion for the compare portion of a COMPARE_AND_WRITE command, it may happen that the compare_and_write_callback function submits new bio structs while still in softirq context. Low level drivers like md raid5 do not expect their make_request call to be used in softirq contex...
```diff diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 1cd41e3834bb..7536ca797606 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -446,12 +446,22 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd, bool succes sense_re...
fec1b2fa62c162d03f5dcd7b03e3c89d3116d49f
Analyze and fix the following issue in the Linux kernel code: scsi: target: iscsi: Fix a race condition between login_work and the login thread
Problem Details: In case a malicious initiator sends some random data immediately after a login PDU; the iscsi_target_sk_data_ready() callback will schedule the login_work and, at the same time, the negotiation may end without clearing the LOGIN_FLAGS_INITIAL_PDU flag (because no additional PDU exchanges are required t...
```diff diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index f2919319ad38..ff49c8f3fe24 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -1018,6 +1018,13 @@ static int iscsi_target_handle_csg_one(struct iscsit_conn ...
7870d24817890bccee98db0718acececd6399d04
Analyze and fix the following issue in the Linux kernel code: scsi: target: core: Send max transfer length in blocks
Problem Details: A MAXIMUM TRANSFER LENGTH value indicates the maximum transfer length in logical blocks that the device server accepts for a single command. Fix function sending the length in sectors instead of blocks. This patch also removes the special casing for fileio in block_size_store since this logic in now u...
```diff diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index b8a5c8d6cfde..611b0424e305 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -1102,8 +1102,6 @@ static ssize_t block_size_store(struct config_item *item, } da->b...
083cad78042e9eb6d2d727ff561dc6eea36ac9a0
Analyze and fix the following issue in the Linux kernel code: kbuild: fix "cat: .version: No such file or directory"
Problem Details: Since commit 2df8220cc511 ("kbuild: build init/built-in.a just once"), the .version file is not touched at all when KBUILD_BUILD_VERSION is given. If KBUILD_BUILD_VERSION is specified and the .version file is missing (for example right after 'make mrproper'), "No such file or director" is shown. Even ...
```diff diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile index 3f8a86c4336a..02e6be9c5b0d 100644 --- a/arch/microblaze/Makefile +++ b/arch/microblaze/Makefile @@ -67,12 +67,12 @@ linux.bin.ub linux.bin.gz: linux.bin linux.bin: vmlinux linux.bin linux.bin.gz linux.bin.ub: $(Q)$(MAKE) $(build)=$(boot)...
96e6122cb79616c622ae0d025eb9f981120b568d
Analyze and fix the following issue in the Linux kernel code: tracing: Optimize event type allocation with IDA
Problem Details: After commit 060fa5c83e67 ("tracing/events: reuse trace event ids after overflow"), trace events with dynamic type are linked up in list 'ftrace_event_list' through field 'trace_event.list'. Then when max event type number used up, it's possible to reuse type number of some freed one by traversing 'ft...
```diff diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 20749bd9db71..bb2053246d6a 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -136,7 +136,6 @@ struct trace_event_functions { struct trace_event { struct hlist_node node; - struct list_head list; ...
78a01feb4024ffb6c6321e45dc2bfcafb2d1d1e5
Analyze and fix the following issue in the Linux kernel code: ftrace: Clean comments related to FTRACE_OPS_FL_PER_CPU
Problem Details: Commit b3a88803ac5b ("ftrace: Kill FTRACE_OPS_FL_PER_CPU") didn't completely remove the comments related to FTRACE_OPS_FL_PER_CPU. Link: https://lkml.kernel.org/r/20221025153923.1995973-1-zhengyejian1@huawei.com Fixes: b3a88803ac5b ("ftrace: Kill FTRACE_OPS_FL_PER_CPU") Signed-off-by: Zheng Yejian <z...
```diff diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 33236241f236..65a5d36463e0 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -163,7 +163,7 @@ static void ftrace_sync_ipi(void *data) static ftrace_func_t ftrace_ops_get_list_func(struct ftrace_ops *ops) { /* - * If this is a ...