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ac0b5591321330d65001f15f8672ac12b612d7a9
Analyze and fix the following issue in the Linux kernel code: m68k: amiga: pcmcia: Replace set but not used variable by READ_ONCE()
Problem Details: When building with W=1: arch/m68k/amiga/pcmcia.c: In function ‘pcmcia_reset’: arch/m68k/amiga/pcmcia.c:29:23: warning: variable ‘b’ set but not used [-Wunused-but-set-variable] 29 | unsigned char b; | ^ Fix this by using READ_ONCE(), and removing the va...
```diff diff --git a/arch/m68k/amiga/pcmcia.c b/arch/m68k/amiga/pcmcia.c index 7106f0c3639b..63cce6b590df 100644 --- a/arch/m68k/amiga/pcmcia.c +++ b/arch/m68k/amiga/pcmcia.c @@ -26,11 +26,10 @@ static unsigned char cfg_byte = GAYLE_CFG_0V|GAYLE_CFG_150NS; void pcmcia_reset(void) { unsigned long reset_start_time = ...
45dacf07fb1c308df3e95154f427f6ae49b56705
Analyze and fix the following issue in the Linux kernel code: m68k: emu: Mark version[] __maybe_unused
Problem Details: When building with W=1: arch/m68k/emu/nfeth.c:42:19: warning: ‘version’ defined but not used [-Wunused-const-variable=] 42 | static const char version[] = | ^~~~~~~ Fix this while obeying the wishes of the original copyright holders by marking version[] with __maybe_un...
```diff diff --git a/arch/m68k/emu/nfeth.c b/arch/m68k/emu/nfeth.c index 1a5d1e8eb4c8..26e68813f351 100644 --- a/arch/m68k/emu/nfeth.c +++ b/arch/m68k/emu/nfeth.c @@ -39,7 +39,7 @@ enum { #define MAX_UNIT 8 /* These identify the driver base version and may not be removed. */ -static const char version[] = +static c...
6156086e554cd9837b81e77a06451b811da2216e
Analyze and fix the following issue in the Linux kernel code: m68k: emu: Remove unused vsnprintf() return value in nfprint()
Problem Details: When building with W=1: arch/m68k/emu/natfeat.c: In function ‘nfprint’: arch/m68k/emu/natfeat.c:59:13: warning: variable ‘n’ set but not used [-Wunused-but-set-variable] 59 | int n; | ^ As the return value of vsnprintf() is unused, and serves no practical purpose...
```diff diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c index d124c62022c2..777c7b42a50f 100644 --- a/arch/m68k/emu/natfeat.c +++ b/arch/m68k/emu/natfeat.c @@ -56,10 +56,9 @@ void nfprint(const char *fmt, ...) { static char buf[256]; va_list ap; - int n; va_start(ap, fmt); - n = vsnprintf(buf, 2...
217614e937ce4ce7e7ee112fd11fc791beeef2a7
Analyze and fix the following issue in the Linux kernel code: m68k: mm: Add and use "fault.h"
Problem Details: When building with W=1: arch/m68k/mm/fault.c:22:5: warning: no previous prototype for ‘send_fault_sig’ [-Wmissing-prototypes] 22 | int send_fault_sig(struct pt_regs *regs) | ^~~~~~~~~~~~~~ arch/m68k/mm/fault.c:68:5: warning: no previous prototype for ‘do_page_fault’ [-Wmissing-pr...
```diff diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c index 14055d676161..1af5e6082467 100644 --- a/arch/m68k/kernel/sys_m68k.c +++ b/arch/m68k/kernel/sys_m68k.c @@ -35,8 +35,7 @@ #include <asm/tlb.h> -asmlinkage int do_page_fault(struct pt_regs *regs, unsigned long address, - unsig...
87d7186e61854262b2d56c7639fd8aeec6122bd2
Analyze and fix the following issue in the Linux kernel code: m68k: mm: Move paging_init() to common <asm/pgtable.h>
Problem Details: When building with W=1: arch/m68k/mm/motorola.c:414:13: warning: no previous prototype for ‘paging_init’ [-Wmissing-prototypes] 414 | void __init paging_init(void) | ^~~~~~~~~~~ arch/m68k/mm/sun3mmu.c:36:13: warning: no previous prototype for ‘paging_init’ [-Wmissing-proto...
```diff diff --git a/arch/m68k/include/asm/pgtable.h b/arch/m68k/include/asm/pgtable.h index ad15d655a9bf..27525c6a12fd 100644 --- a/arch/m68k/include/asm/pgtable.h +++ b/arch/m68k/include/asm/pgtable.h @@ -1,6 +1,15 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __M68K_PGTABLE_H +#define __M68K_PGTABLE_H + #ifde...
2c0bb8cb99317a59d913dd3be5fd97bf8009be76
Analyze and fix the following issue in the Linux kernel code: m68k: mm: Include <asm/hwtest.h> for hwreg_()
Problem Details: When building with W=1: arch/m68k/mm/hwtest.c:29:5: warning: no previous prototype for ‘hwreg_present’ [-Wmissing-prototypes] 29 | int hwreg_present(volatile void *regp) | ^~~~~~~~~~~~~ arch/m68k/mm/hwtest.c:62:5: warning: no previous prototype for ‘hwreg_write’ [-Wmissing-protot...
```diff diff --git a/arch/m68k/mm/hwtest.c b/arch/m68k/mm/hwtest.c index fe99aa99987e..8ee7a3368688 100644 --- a/arch/m68k/mm/hwtest.c +++ b/arch/m68k/mm/hwtest.c @@ -26,6 +26,8 @@ #include <linux/module.h> +#include <asm/hwtest.h> + int hwreg_present(volatile void *regp) { int ret = 0; ```
53cab6a2b348fceffc6c20323ca84eff3bab53d3
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "vectors.h"
Problem Details: When building with W=1: arch/m68k/kernel/vectors.c:52:13: warning: no previous prototype for ‘base_trap_init’ [-Wmissing-prototypes] 52 | void __init base_trap_init(void) | ^~~~~~~~~~~~~~ Fix this by introducing a new header file "vectors.h" for holding the prototypes of fun...
```diff diff --git a/arch/m68k/kernel/vectors.c b/arch/m68k/kernel/vectors.c index 68762fc1dc97..667e848070f4 100644 --- a/arch/m68k/kernel/vectors.c +++ b/arch/m68k/kernel/vectors.c @@ -28,6 +28,8 @@ #include <asm/fpu.h> #include <asm/traps.h> +#include "vectors.h" + /* assembler routines */ asmlinkage void syst...
90829e82127d8d98abb1cdebeb7ef675d4e90521
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "traps.h"
Problem Details: When building with W=1: arch/m68k/kernel/traps.c:754:17: warning: no previous prototype for ‘buserr_c’ [-Wmissing-prototypes] 754 | asmlinkage void buserr_c(struct frame *fp) | ^~~~~~~~ arch/m68k/kernel/traps.c:1140:17: warning: no previous prototype for ‘set_esp0’ [-W...
```diff diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index b3fee39f8f51..d408334712f7 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -41,6 +41,8 @@ #include <asm/siginfo.h> #include <asm/tlbflush.h> +#include "traps.h" + static const char *vec_names[] = { [VEC_RESETSP...
dbe93977e523ff70ff66da824513d203207e394a
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "signal.h"
Problem Details: When building with W=1: arch/m68k/kernel/signal.c:756:18: warning: no previous prototype for ‘do_sigreturn’ [-Wmissing-prototypes] 756 | asmlinkage void *do_sigreturn(struct pt_regs *regs, struct switch_stack *sw) | ^~~~~~~~~~~~ arch/m68k/kernel/signal.c:783:18: warni...
```diff diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c index 459c5ff69fcf..e628b859ef21 100644 --- a/arch/m68k/kernel/signal.c +++ b/arch/m68k/kernel/signal.c @@ -51,6 +51,8 @@ #include <asm/ucontext.h> #include <asm/cacheflush.h> +#include "signal.h" + #ifdef CONFIG_MMU /* diff --git a/arch...
7afc185016087b5181500f0394bec1feb8bdade0
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "ptrace.h"
Problem Details: When building with W=1: arch/m68k/kernel/ptrace.c:275:16: warning: no previous prototype for ‘syscall_trace_enter’ [-Wmissing-prototypes] 275 | asmlinkage int syscall_trace_enter(void) | ^~~~~~~~~~~~~~~~~~~ arch/m68k/kernel/ptrace.c:288:17: warning: no previous prototyp...
```diff diff --git a/arch/m68k/kernel/ptrace.c b/arch/m68k/kernel/ptrace.c index cd0172d29430..c20d590e4297 100644 --- a/arch/m68k/kernel/ptrace.c +++ b/arch/m68k/kernel/ptrace.c @@ -26,6 +26,8 @@ #include <asm/page.h> #include <asm/processor.h> +#include "ptrace.h" + /* * does not yet catch signals sent when th...
ab8151fc5e68f6208ee24fddbeb7daf5f6fe347d
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "process.h"
Problem Details: When building with W=1: arch/m68k/kernel/process.c:115:16: warning: no previous prototype for ‘m68k_clone’ [-Wmissing-prototypes] 115 | asmlinkage int m68k_clone(struct pt_regs *regs) | ^~~~~~~~~~ arch/m68k/kernel/process.c:136:16: warning: no previous prototype for ‘m6...
```diff diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index e06ce147c0b7..2584e94e2134 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -38,6 +38,7 @@ #include <asm/machdep.h> #include <asm/setup.h> +#include "process.h" asmlinkage void ret_from_fork(void); asml...
ef69fb4dce17c1e19bef7ba1b34fa37115171fee
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use "ints.h"
Problem Details: When building with W=1: arch/m68k/kernel/ints.c:165:17: warning: no previous prototype for ‘handle_badint’ [-Wmissing-prototypes] 165 | asmlinkage void handle_badint(struct pt_regs *regs) | ^~~~~~~~~~~~~ Fix this by introducing a new header file "ints.h" for holding the p...
```diff diff --git a/arch/m68k/kernel/ints.c b/arch/m68k/kernel/ints.c index 5b8d66fbf383..cf2b13488476 100644 --- a/arch/m68k/kernel/ints.c +++ b/arch/m68k/kernel/ints.c @@ -26,6 +26,8 @@ #include <asm/q40ints.h> #endif +#include "ints.h" + extern u32 auto_irqhandler_fixup[]; extern u16 user_irqvec_fixup[]; di...
0891c4740c22e8408bece7ff266791a523061041
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Add and use <asm/syscalls.h>
Problem Details: When building with W=1: arch/m68k/kernel/sys_m68k.c:40:17: warning: no previous prototype for ‘sys_mmap2’ [-Wmissing-prototypes] 40 | asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, | ^~~~~~~~~ arch/m68k/kernel/sys_m68k.c:378:1: warning: no previous p...
```diff diff --git a/arch/m68k/include/asm/syscalls.h b/arch/m68k/include/asm/syscalls.h new file mode 100644 index 000000000000..fb3639acd07b --- /dev/null +++ b/arch/m68k/include/asm/syscalls.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef _ASM_M68K_SYSCALLS_H +#define _ASM_M68K_SYSCALLS_H + ...
e036678a4b8f2bcb362a2ca8adfd6a428321a38e
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Make bad_super_trap() static
Problem Details: When building with W=1: arch/m68k/kernel/traps.c:968:6: warning: no previous prototype for ‘bad_super_trap’ [-Wmissing-prototypes] 968 | void bad_super_trap (struct frame *fp) | ^~~~~~~~~~~~~~ Fix this by making bad_super_trap() static. There was never a user outside arch/m68k/kerne...
```diff diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c index a700807c9b6d..b3fee39f8f51 100644 --- a/arch/m68k/kernel/traps.c +++ b/arch/m68k/kernel/traps.c @@ -965,7 +965,7 @@ void show_stack(struct task_struct *task, unsigned long *stack, * real 68k parts, but it won't hurt either. */ -void ba...
e34b4acdf6488fbcdf890e72ecf925650c944503
Analyze and fix the following issue in the Linux kernel code: m68k: kernel: Include <linux/cpu.h> for trap_init()
Problem Details: When building with W=1: arch/m68k/kernel/vectors.c:74:13: warning: no previous prototype for ‘trap_init’ [-Wmissing-prototypes] 74 | void __init trap_init (void) | ^~~~~~~~~ Fix this by including <linux/cpu.h>. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-...
```diff diff --git a/arch/m68k/kernel/vectors.c b/arch/m68k/kernel/vectors.c index 322c977bb9ec..68762fc1dc97 100644 --- a/arch/m68k/kernel/vectors.c +++ b/arch/m68k/kernel/vectors.c @@ -17,6 +17,7 @@ /* * Sets up all exception vectors */ +#include <linux/cpu.h> #include <linux/sched.h> #include <linux/kernel.h>...
b149353da471ddfc5d6e698784cf22bc55bff68b
Analyze and fix the following issue in the Linux kernel code: m68k: emu: Replace strlcpy() with strscpy()
Problem Details: strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). Direct r...
```diff diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c index b19dc00026d9..d124c62022c2 100644 --- a/arch/m68k/emu/natfeat.c +++ b/arch/m68k/emu/natfeat.c @@ -42,10 +42,10 @@ long nf_get_id(const char *feature_name) { /* feature_name may be in vmalloc()ed memory, so make a copy */ char name_copy[32...
1fee121f8f2ade1ef2937f1b7d7b08775086fba9
Analyze and fix the following issue in the Linux kernel code: m68k: math-emu: Add missing prototypes
Problem Details: When building with W=1: arch/m68k/math-emu/fp_arith.c:301:16: warning: no previous prototype for ‘fp_fsglmul’ [-Wmissing-prototypes] 301 | struct fp_ext *fp_fsglmul(struct fp_ext *dest, struct fp_ext *src) | ^~~~~~~~~~ arch/m68k/math-emu/fp_arith.c:357:16: warning: no p...
```diff diff --git a/arch/m68k/math-emu/fp_arith.h b/arch/m68k/math-emu/fp_arith.h index 65b11e3f452d..3f9c58b6d504 100644 --- a/arch/m68k/math-emu/fp_arith.h +++ b/arch/m68k/math-emu/fp_arith.h @@ -26,6 +26,8 @@ struct fp_ext *fp_fcmp(struct fp_ext *dest, struct fp_ext *src); struct fp_ext *fp_ftst(struct fp_ext *des...
54b76dc9707a12b063bcb4a5d68bdaad2dc28514
Analyze and fix the following issue in the Linux kernel code: m68k: math-emu: Fix incorrect file reference in fp_log.c
Problem Details: The file comment header refers to the wrong file. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Link: https://lore.kernel.org/r/faf2244c3c80a4d70da5a18dd2a170a15b3ebd88.1692283195.git.geert@linux-m68k.org
```diff diff --git a/arch/m68k/math-emu/fp_log.c b/arch/m68k/math-emu/fp_log.c index 0663067870f2..a8eac8c81757 100644 --- a/arch/m68k/math-emu/fp_log.c +++ b/arch/m68k/math-emu/fp_log.c @@ -1,6 +1,6 @@ /* - fp_trig.c: floating-point math routines for the Linux-m68k + fp_log.c: floating-point math routines for the...
184ff4f721638e37a5a5907bf98962b6d9318ef6
Analyze and fix the following issue in the Linux kernel code: OPP: Fix -Wunsequenced in _of_add_opp_table_v1()
Problem Details: Clang warns (or errors with CONFIG_WERROR=y): drivers/opp/of.c:1081:28: error: multiple unsequenced modifications to 'val' [-Werror,-Wunsequenced] 1081 | .freq = be32_to_cpup(val++) * 1000, | ^ 1082 | ...
```diff diff --git a/drivers/opp/of.c b/drivers/opp/of.c index ade6d42cae46..ae5c405bbf9a 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -1077,9 +1077,11 @@ static int _of_add_opp_table_v1(struct device *dev, struct opp_table *opp_table) val = prop->value; while (nr) { + unsigned long freq = be32_to_cpu...
9af867c05b5d9f54f190743a1c761d70038c83b3
Analyze and fix the following issue in the Linux kernel code: HID: i2c-hid: fix handling of unpopulated devices
Problem Details: A recent commit reordered probe so that the interrupt line is now requested before making sure that the device exists. This breaks machines like the Lenovo ThinkPad X13s which rely on the HID driver to probe second-source devices and only register the variant that is actually populated. Specifically, ...
```diff diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 9601c0605fd9..2735cd585af0 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -998,45 +998,29 @@ static int i2c_hid_core_resume(struct i2c_hid *ihid) return hid_driver_reset_resu...
339818380868e34ff2c482db05031bf47a67d609
Analyze and fix the following issue in the Linux kernel code: cxl/memdev: Fix sanitize vs decoder setup locking
Problem Details: The sanitize operation is destructive and the expectation is that the device is unmapped while in progress. The current implementation does a lockless check for decoders being active, but then does nothing to prevent decoders from racing to be committed. Introduce state tracking to resolve this race. ...
```diff diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index 45e7e044cf4a..8e5f3d84311e 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -75,6 +75,7 @@ resource_size_t __rcrb_to_component(struct device *dev, enum cxl_rcrb which); extern struct rw_semaphore cxl_dpa_rwsem;...
5f2da19714465739da2449253b13ac06cb353a26
Analyze and fix the following issue in the Linux kernel code: cxl/pci: Fix sanitize notifier setup
Problem Details: Fix a race condition between the mailbox-background command interrupt firing and the security-state sysfs attribute being removed. The race is difficult to see due to the awkward placement of the sanitize-notifier setup code and the multiple places the teardown calls are made, cxl_memdev_security_init...
```diff diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index 63353d990374..4c2e24a1a89c 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -556,20 +556,11 @@ void clear_exclusive_cxl_commands(struct cxl_memdev_state *mds, } EXPORT_SYMBOL_NS_GPL(clear_exclusive_cxl_commands, ...
3aa872546783b146d821bbce6b1507aa33b77fc9
Analyze and fix the following issue in the Linux kernel code: OPP: debugfs: Fix warning with W=1 builds
Problem Details: We currently get the following warning: debugfs.c: In function ‘opp_debug_create_one’: debugfs.c:63:42: warning: ‘%.1d’ directive output may be truncated writing between 1 and 10 bytes into a region of size 2 [-Wformat-truncation=] snprintf(name, sizeof(name), "icc-path-%.1d", i); ...
```diff diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c index 17543c0aa5b6..ec030b19164a 100644 --- a/drivers/opp/debugfs.c +++ b/drivers/opp/debugfs.c @@ -56,7 +56,7 @@ static void opp_debug_create_bw(struct dev_pm_opp *opp, struct dentry *pdentry) { struct dentry *d; - char name[11]; + char name[20...
cca14de56986905013a83df4e512358b9c6a54a8
Analyze and fix the following issue in the Linux kernel code: OPP: Remove doc style comments for internal routines
Problem Details: These were previously exposed outside of the OPP core and needed doc style commenting. They aren't public now and don't need the same. This fixes warnings generated for builds with `W=1`: core.c:2105: warning: Function parameter or member 'opp_table' not described in '_opp_set_supported_hw' core.c:21...
```diff diff --git a/drivers/opp/core.c b/drivers/opp/core.c index cdac46698021..f42b663a4d8b 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -2124,12 +2124,7 @@ free_opp: return ret; } -/** - * _opp_set_supported_hw() - Set supported platforms - * @dev: Device for which supported-hw has to be set. - *...
9c8c3fa3a52bc55696ccc4dfcb8a49f969b5fb0e
Analyze and fix the following issue in the Linux kernel code: bpf: Fix the comment for bpf_restore_data_end()
Problem Details: The comment used to say: > Restore data saved by bpf_compute_data_pointers(). But bpf_compute_data_pointers() does not save the data; bpf_compute_and_save_data_end() does. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Acked-by: Stanislav Fomichev <sdf@google.com> Link: https://lore.kernel.o...
```diff diff --git a/include/linux/filter.h b/include/linux/filter.h index 27406aee2d40..ff7ecc89d3dd 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -736,7 +736,7 @@ static inline void bpf_compute_and_save_data_end( cb->data_end = skb->data + skb_headlen(skb); } -/* Restore data saved by bpf_...
152d0bcdf1efcb54a4fa20f694e9c7bbb6d06cbf
Analyze and fix the following issue in the Linux kernel code: dm crypt: Fix reqsize in crypt_iv_eboiv_gen
Problem Details: A skcipher_request object is made up of struct skcipher_request followed by a variable-sized trailer. The allocation of the skcipher_request and IV in crypt_iv_eboiv_gen is missing the memory for struct skcipher_request. Fix it by adding it to reqsize. Fixes: e3023094dffb ("dm crypt: Avoid using MAX...
```diff diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index f2662c21a6df..5315fd261c23 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -753,7 +753,8 @@ static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv, int err; u8 *buf; - reqsize = ALIGN(crypto_skcipher_reqsize(tfm), __...
2f94711b098bc55285ac74aba2f2b83fd72b555f
Analyze and fix the following issue in the Linux kernel code: ext4: call ext4_mb_mark_context in ext4_mb_mark_diskspace_used
Problem Details: Call ext4_mb_mark_context in ext4_mb_mark_diskspace_used to: 1. Remove repeat code to normally update bitmap and group descriptor on disk. 2. Now that we have a common API for marking blocks inuse/free in block bitmap, use that instead of open coding it in function ext4_mb_mark_diskspace_used(). The cu...
```diff diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 5b3940e3afea..7d1b78fd6c97 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4053,13 +4053,13 @@ static noinline_for_stack int ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac, handle_t *handle, unsigned int reserv_clstrs) { ...
61187fce8600e8ef90e601be84f9d0f3222c1206
Analyze and fix the following issue in the Linux kernel code: jbd2: fix potential data lost in recovering journal raced with synchronizing fs bdev
Problem Details: JBD2 makes sure journal data is fallen on fs device by sync_blockdev(), however, other process could intercept the EIO information from bdev's mapping, which leads journal recovering successful even EIO occurs during data written back to fs device. We found this problem in our product, iscsi + multipa...
```diff diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 0567f1aa189b..01f744cb97a4 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -289,6 +289,8 @@ int jbd2_journal_recover(journal_t *journal) journal_superblock_t * sb; struct recovery_info info; + errseq_t wb_err; + struct address_space *...
484fd6c1de13b336806a967908a927cc0356e312
Analyze and fix the following issue in the Linux kernel code: ext4: apply umask if ACL support is disabled
Problem Details: The function ext4_init_acl() calls posix_acl_create() which is responsible for applying the umask. But without CONFIG_EXT4_FS_POSIX_ACL, ext4_init_acl() is an empty inline function, and nobody applies the umask. This fixes a bug which causes the umask to be ignored with O_TMPFILE on ext4: https://g...
```diff diff --git a/fs/ext4/acl.h b/fs/ext4/acl.h index 0c5a79c3b5d4..ef4c19e5f570 100644 --- a/fs/ext4/acl.h +++ b/fs/ext4/acl.h @@ -68,6 +68,11 @@ extern int ext4_init_acl(handle_t *, struct inode *, struct inode *); static inline int ext4_init_acl(handle_t *handle, struct inode *inode, struct inode *dir) { + /* ...
2cd8bdb5efc1e0d5b11a4b7ba6b922fd2736a87f
Analyze and fix the following issue in the Linux kernel code: ext4: mark buffer new if it is unwritten to avoid stale data exposure
Problem Details: ** Short Version ** In ext4 with dioread_nolock, we could have a scenario where the bh returned by get_blocks (ext4_get_block_unwritten()) in __block_write_begin_int() has UNWRITTEN and MAPPED flag set. Since such a bh does not have NEW flag set we never zero out the range of bh that is not under writ...
```diff diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 4ce35f1c8b0a..d7732320431a 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -789,10 +789,22 @@ int ext4_get_block(struct inode *inode, sector_t iblock, int ext4_get_block_unwritten(struct inode *inode, sector_t iblock, struct buffer_head *bh_re...
af90a8f4a09ec4a3de20142e37f37205d4687f28
Analyze and fix the following issue in the Linux kernel code: ext4: move 'ix' sanity check to corrent position
Problem Details: Check 'ix' before it is used. Fixes: 80e675f906db ("ext4: optimize memmmove lengths in extent/index insertions") Signed-off-by: Gou Hao <gouhao@uniontech.com> Link: https://lore.kernel.org/r/20230906013341.7199-1-gouhao@uniontech.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
```diff diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 202c76996b62..4d8496d1a8ac 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -1010,6 +1010,11 @@ static int ext4_ext_insert_index(handle_t *handle, struct inode *inode, ix = curp->p_idx; } + if (unlikely(ix > EXT_MAX_INDEX(curp->p_hdr))) { ...
8b6b562121f1981315e76b6ae1f8a5cbbcf14bd7
Analyze and fix the following issue in the Linux kernel code: jbd2: fix printk format type for 'io_block' in do_one_pass()
Problem Details: 'io_block' is unsinged long but print it by '%ld'. Signed-off-by: Ye Bin <yebin10@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230904105817.1728356-3-yebin10@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
```diff diff --git a/fs/jbd2/recovery.c b/fs/jbd2/recovery.c index 11380ff1fe51..0567f1aa189b 100644 --- a/fs/jbd2/recovery.c +++ b/fs/jbd2/recovery.c @@ -632,7 +632,7 @@ static int do_one_pass(journal_t *journal, success = err; printk(KERN_ERR "JBD2: IO error %d recovering " - "block %ld in log...
95b635689b58e0ebe5197bf99c82c681eabe17ee
Analyze and fix the following issue in the Linux kernel code: ext4: remove EXT4FS_DEBUG defination in resize.c
Problem Details: Remove EXT4FS_DEBUG defination in resize.c for following reasons: 1. EXT4FS_DEBUG will enable debug messages, it should only be defined when debugging. 2. ext4.h included from ext4_jbd2.h after EXT4FS_DEBUG defination will "#undef EXT4FS_DEBUG", then EXT4FS_DEBUG defination in resize.c can't actually t...
```diff diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 3ad2b1a900ad..d4ab2cde0a03 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -10,8 +10,6 @@ */ -#define EXT4FS_DEBUG - #include <linux/errno.h> #include <linux/slab.h> #include <linux/jiffies.h> ```
1fc1bd2d18bbade157f7b14270f509ebbd89881b
Analyze and fix the following issue in the Linux kernel code: ext4: calculate free_clusters_count in cluster unit in verify_group_input
Problem Details: The field free_cluster_count in struct ext4_new_group_data should be in units of clusters. In verify_group_input() this field is being filled in units of blocks. Fortunately, we don't support online resizing of bigalloc file systems, and for non-bigalloc file systems, the cluster size == block size. ...
```diff diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index a370ca1a2bd6..3ad2b1a900ad 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -154,8 +154,9 @@ static int verify_group_input(struct super_block *sb, overhead = ext4_group_overhead_blocks(sb, group); metaend = start + overhead; - input->free_clust...
e44fc921b84ff08a9e2fb827a146fa4021d016f3
Analyze and fix the following issue in the Linux kernel code: ext4: fix typo in setup_new_flex_group_blocks
Problem Details: grop -> group Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> Reviewed-by: Theodore Ts'o <tytso@mit.edu> Link: https://lore.kernel.org/r/20230826174712.4059355-6-shikemeng@huaweicloud.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
```diff diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 667381180b26..5e4856d68c4a 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -609,7 +609,7 @@ static int setup_new_flex_group_blocks(struct super_block *sb, } handle_itb: - /* Initialize group tables of the grop @group */ + /* Initialize group...
31f13421c004a420c0e9d288859c9ea9259ea0cc
Analyze and fix the following issue in the Linux kernel code: ext4: correct offset of gdb backup in non meta_bg group to update_backups
Problem Details: Commit 0aeaa2559d6d5 ("ext4: fix corruption when online resizing a 1K bigalloc fs") found that primary superblock's offset in its group is not equal to offset of backup superblock in its group when block size is 1K and bigalloc is enabled. As group descriptor blocks are right after superblock, we can't...
```diff diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c index 0361c20910de..87cd5b07a970 100644 --- a/fs/ext4/resize.c +++ b/fs/ext4/resize.c @@ -1601,6 +1601,8 @@ exit_journal: int gdb_num_end = ((group + flex_gd->count - 1) / EXT4_DESC_PER_BLOCK(sb)); int meta_bg = ext4_has_feature_meta_bg(sb); + sect...
ebf6cb7c6e1241984f75f29f1bdbfa2fe7168f88
Analyze and fix the following issue in the Linux kernel code: ext4: no need to generate from free list in mballoc
Problem Details: Commit 7a2fcbf7f85 ("ext4: don't use blocks freed but not yet committed in buddy cache init") added a code to mark as used blocks in the list of not yet committed freed blocks during initialization of a buddy page. However ext4_mb_free_metadata() makes sure buddy page is already loaded and takes a refe...
```diff diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 1d65c738c4c9..6e304c18d390 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -417,8 +417,6 @@ static const char * const ext4_groupinfo_slab_names[NR_GRPINFO_CACHES] = { static void ext4_mb_generate_from_pa(struct super_block *sb, void *bitmap, ...
8fedebb5ea183994aca39af3f80623f5db42fff7
Analyze and fix the following issue in the Linux kernel code: ext4: fix incorrect offset
Problem Details: The last argument of ext4_check_dir_entry is dentry offset int the file. Luckily this error only results in the wrong offset being printed in the eventual error message. Signed-off-by: Wang Jianjian <wangjianjian0@foxmail.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/tence...
```diff diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index bbda587f76b8..cbe756144d8d 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -2280,8 +2280,7 @@ static int make_indexed_dir(handle_t *handle, struct ext4_filename *fname, top = data2 + len; while ((char *)(de2 = ext4_next_entry(de, blocksize)) < top) ...
40ea98396a3659062267d1fe5f99af4f7e4f05e3
Analyze and fix the following issue in the Linux kernel code: ext4: correct the start block of counting reserved clusters
Problem Details: When big allocate feature is enabled, we need to count and update reserved clusters before removing a delayed only extent_status entry. {init|count|get}_rsvd() have already done this, but the start block number of this counting isn't correct in the following case. lblk end | ...
```diff diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c index 6f7de14c0fa8..5e625ea4545d 100644 --- a/fs/ext4/extents_status.c +++ b/fs/ext4/extents_status.c @@ -1405,8 +1405,8 @@ static int __es_remove_extent(struct inode *inode, ext4_lblk_t lblk, } } if (count_reserved) - count_rsvd(inode...
6313e096dbfaf1377ba8f5f8ccd720cc36c576c6
Analyze and fix the following issue in the Linux kernel code: KVM: selftests: Zero-initialize entire test_result in memslot perf test
Problem Details: Zero-initialize the entire test_result structure used by memslot_perf_test instead of zeroing only the fields used to guard the pr_info() calls. gcc 13.2.0 is a bit overzealous and incorrectly thinks that rbestslottime's slot_runtime may be used uninitialized. In file included from memslot_perf_tes...
```diff diff --git a/tools/testing/selftests/kvm/memslot_perf_test.c b/tools/testing/selftests/kvm/memslot_perf_test.c index 20eb2e730800..8698d1ab60d0 100644 --- a/tools/testing/selftests/kvm/memslot_perf_test.c +++ b/tools/testing/selftests/kvm/memslot_perf_test.c @@ -1033,9 +1033,8 @@ static bool test_loop(const str...
a8c1eb77edfc92a64788dad70fedf9277cbafe76
Analyze and fix the following issue in the Linux kernel code: ext4: fix traditional comparison using max/min method
Problem Details: It would be better to replace the traditional ternary conditional operator with max()/min() Signed-off-by: Lu Hongfei <luhongfei@vivo.com> Reviewed-by: Kemeng Shi <shikemeng@huaweicloud.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230529070930.37949-1-luhongfei@vivo.com ...
```diff diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index 79b20d6ae39e..4d08bb2bd184 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -111,10 +111,8 @@ static unsigned ext4_num_overhead_clusters(struct super_block *sb, itbl_blk_start = ext4_inode_table(sb, gdp); itbl_blk_end = itbl_blk_start + sbi->s_it...
745f17a4166e79315e4b7f33ce89d03e75a76983
Analyze and fix the following issue in the Linux kernel code: ext4: fix race between writepages and remount
Problem Details: We got a WARNING in ext4_add_complete_io: ================================================================== WARNING: at fs/ext4/page-io.c:231 ext4_put_io_end_defer+0x182/0x250 CPU: 10 PID: 77 Comm: ksoftirqd/10 Tainted: 6.3.0-rc2 #85 RIP: 0010:ext4_put_io_end_defer+0x182/0x250 [ext4] [...] Call T...
```diff diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 9418359b1d9d..cd4ccae1e28a 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1676,7 +1676,8 @@ struct ext4_sb_info { /* * Barrier between writepages ops and changing any inode's JOURNAL_DATA - * or EXTENTS flag. + * or EXTENTS flag or between writep...
ee6a12d0d4d85f3833d177cd382cd417f0ef011b
Analyze and fix the following issue in the Linux kernel code: ext4: add missing initialization of call_notify_error in update_super_work()
Problem Details: Fixes: ff0722de896e ("ext4: add periodic superblock update check") Signed-off-by: Theodore Ts'o <tytso@mit.edu>
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index dbebd8b3127e..6f48dec19f4a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -768,7 +768,8 @@ static void update_super_work(struct work_struct *work) */ if (!sb_rdonly(sbi->s_sb) && journal) { struct buffer_head *sbh = sbi->s_sbh; - bool call_not...
e959c279d391c10b35ce300fb4b0fe3b98e86bd2
Analyze and fix the following issue in the Linux kernel code: objtool: Propagate early errors
Problem Details: If objtool runs into a problem that causes it to exit early, the overall tool still returns a status code of 0, which causes the build to continue as if nothing went wrong. Note this only affects early errors, as later errors are still ignored by check(). Fixes: b51277eb9775 ("objtool: Ditch subcomma...
```diff diff --git a/tools/objtool/objtool.c b/tools/objtool/objtool.c index c54f7235c5d9..f40febdd6e36 100644 --- a/tools/objtool/objtool.c +++ b/tools/objtool/objtool.c @@ -146,7 +146,5 @@ int main(int argc, const char **argv) exec_cmd_init("objtool", UNUSED, UNUSED, UNUSED); pager_init(UNUSED); - objtool_run(a...
e0a3e7bf62dfbf6a1730f244b2adf53fac07003b
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Drop unnecessary return statements
Problem Details: There is no reason to call return at the end of function that returns void. Fixes the below: WARNING: void function return statements are not generally useful Thus remove such a statement in the affected functions. Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@a...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h index 3c988cc406e4..381101d2bf05 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_res_cursor.h @@ -112,7 +112,6 @@ fallback: cur->remaining = size; ...
cbad0dd13ac9976a66f197a8f8d00f7bd534bc1a
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix ip count query for xcp partitions
Problem Details: fix wrong ip count INFO on spatial partitions. update the query to return the instance count corresponding to the partition id. v2: initialize variables only when required to be (Christian) move variable declarations to the beginning of function (Christian) Signed-off-by: Sathishkumar S <sathishkum...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 6cd77c21048b..63f608c0bfa9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -595,11 +595,16 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struc...
2b6b29f33fddc8d61527d5f5cf1dec9e1821b16c
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix complex macros error
Problem Details: Fixes the below: ERROR: Macros with complex values should be enclosed in parentheses WARNING: macros should not use a trailing semicolon +#define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter)); Cc: Christian König <christian.koenig@amd.com> Cc: Alex Deucher <alexander.deucher@am...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 4bb7e46f7619..daec39387f70 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1321,7 +1321,7 @@ int emu_soc_asic_init(struct amdgpu_device *adev); ((adev)->asic_funcs->updat...
9c77dcf6a5b179a9574b2f9633c6e2cdf52fafec
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Remove migrate_en/dis from dc_fpu_begin().
Problem Details: This is a revert of the commit mentioned below while it is not wrong, as in the kernel will explode, having migrate_disable() here it is complete waste of resources. Additionally commit message is plain wrong the review tag does not make it any better. The migrate_disable() interface has a fat comment...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c index 172aa10a8800..86f4c0e04654 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c @@ -91,7 +91,6 @@ void dc_fpu_begin(const char *function_...
0029e4d46b8958c2b2cd249f9fd820954713463e
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: amdgpu_drm.h: fix comment typos
Problem Details: Correct typos of "occurred". Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Christian König <christian.koenig@amd.com> Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com> Cc: amd-gfx@lists.freedesktop.org Reviewed-by: Christian König <christian.koenig@amd.com> ...
```diff diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index d627d0c6ac87..ad21c613fec8 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -249,9 +249,9 @@ union drm_amdgpu_bo_list { /* unknown cause */ #define AMDGPU_CTX_UNKNOWN_RESET 3 -/* indicate gpu re...
071af0c9e582bc47e379e39490a2bc1adfe4ec68
Analyze and fix the following issue in the Linux kernel code: selftests: timers: Convert posix_timers test to generate KTAP output
Problem Details: Currently the posix_timers test does not produce KTAP output but rather a custom format. This means that we only get a pass/fail for the suite, not for each individual test that the suite does. Convert to using the standard kselftest output functions which result in KTAP output being generated. As par...
```diff diff --git a/tools/testing/selftests/timers/posix_timers.c b/tools/testing/selftests/timers/posix_timers.c index 8a17c0e8d82b..d49dd3ffd0d9 100644 --- a/tools/testing/selftests/timers/posix_timers.c +++ b/tools/testing/selftests/timers/posix_timers.c @@ -76,22 +76,21 @@ static int check_diff(struct timeval star...
1c71a121c7ff41bf6605b2604408d109eab047ae
Analyze and fix the following issue in the Linux kernel code: selftests: static_keys: fix test name in messages
Problem Details: As a general rule, the name of the selftest is printed at the beginning of every message. Use "static_keys" (name of the test itself) consistently instead of mixing "static_key" and "static_keys" at the beginning of the messages in the test_static_keys script. Signed-off-by: Javier Carrasco <javier.c...
```diff diff --git a/tools/testing/selftests/static_keys/test_static_keys.sh b/tools/testing/selftests/static_keys/test_static_keys.sh index fc9f8cde7d42..3b0f17b81ac2 100755 --- a/tools/testing/selftests/static_keys/test_static_keys.sh +++ b/tools/testing/selftests/static_keys/test_static_keys.sh @@ -6,18 +6,18 @@ ks...
5b45a753776be5d21cf395ec97e81c9187fbeaca
Analyze and fix the following issue in the Linux kernel code: selftests: uevent filtering: fix return on error in uevent_listener
Problem Details: The ret variable is used to check function return values and assigning values to it on error has no effect as it is an unused value. The current implementation uses an additional variable (fret) to return the error value, which in this case is unnecessary and lead to the above described misuse. There ...
```diff diff --git a/tools/testing/selftests/uevent/uevent_filtering.c b/tools/testing/selftests/uevent/uevent_filtering.c index 5cebfb356345..dbe55f3a66f4 100644 --- a/tools/testing/selftests/uevent/uevent_filtering.c +++ b/tools/testing/selftests/uevent/uevent_filtering.c @@ -78,7 +78,7 @@ static int uevent_listener(...
0f8baa3c9802fbfe313c901e1598397b61b91ada
Analyze and fix the following issue in the Linux kernel code: io-wq: fully initialize wqe before calling cpuhp_state_add_instance_nocalls()
Problem Details: I received a bug report with the following signature: [ 1759.937637] BUG: unable to handle page fault for address: ffffffffffffffe8 [ 1759.944564] #PF: supervisor read access in kernel mode [ 1759.949732] #PF: error_code(0x0000) - not-present page [ 1759.954901] PGD 7ab615067 P4D 7ab615067 PUD 7ab6170...
```diff diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 1ecc8c748768..522196dfb0ff 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -1151,9 +1151,6 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data) wq = kzalloc(sizeof(struct io_wq), GFP_KERNEL); if (!wq) return ERR_PTR(-ENOME...
9e0bc36ab07c550d791bf17feeb479f1dfc42d89
Analyze and fix the following issue in the Linux kernel code: cpufreq: schedutil: Update next_freq when cpufreq_limits change
Problem Details: When cpufreq's policy is 'single', there is a scenario that will cause sg_policy's next_freq to be unable to update. When the CPU's util is always max, the cpufreq will be max, and then if we change the policy's scaling_max_freq to be a lower freq, indeed, the sg_policy's next_freq need change to be t...
```diff diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 4492608b7d7f..458d359f5991 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -350,7 +350,8 @@ static void sugov_update_single_freq(struct update_util_data *hook, u64 time, * Except whe...
137f59d5dab4bd55ab3d40080de18bf641bdc26a
Analyze and fix the following issue in the Linux kernel code: can: at91_can: switch to rx-offload implementation
Problem Details: The current at91_can driver uses NAPI to handle RX'ed CAN frames, the RX IRQ is disabled and a NAPI poll is scheduled. Then in at91_poll_rx() the RX'ed CAN frames are tried to read in order from the device. This approach has 2 drawbacks: - Under high system load it might take too long from the initia...
```diff diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 649453a3c858..8d6fc0852bf7 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -89,6 +89,7 @@ config CAN_RX_OFFLOAD config CAN_AT91 tristate "Atmel AT91 onchip CAN controller" depends on (ARCH_AT91 || COMPILE_TEST) && HA...
ccd7cd07051fbd50bbbc6a55547d965c3392f318
Analyze and fix the following issue in the Linux kernel code: can: at91_can: at91_set_bittiming(): demote register output to debug level
Problem Details: This message isn't really helpful for the general reader of the kernel logs, so should not be printed with info level. Link: https://lore.kernel.org/all/20231005-at91_can-rx_offload-v2-13-9987d53600e0@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
```diff diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 092652fd7352..f92d8a75d1b1 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -393,7 +393,7 @@ static int at91_set_bittiming(struct net_device *dev) FIELD_PREP(AT91_BR_PHASE1_MASK, bt->phase_seg1 - 1) | FIE...
6411959c10fe917288cbb1038886999148560057
Analyze and fix the following issue in the Linux kernel code: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds
Problem Details: If the "struct can_priv::echoo_skb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning message and return with an error. Fixes: a6e4bc530403 ("can: make the number of echo skb's configurable") Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-resta...
```diff diff --git a/drivers/net/can/dev/skb.c b/drivers/net/can/dev/skb.c index f6d05b3ef59a..3ebd4f779b9b 100644 --- a/drivers/net/can/dev/skb.c +++ b/drivers/net/can/dev/skb.c @@ -49,7 +49,11 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, { struct can_priv *priv = netdev_priv(dev); - BUG_O...
f0e0c809c0be05fe865b9ac128ef3ee35c276021
Analyze and fix the following issue in the Linux kernel code: can: dev: can_restart(): move debug message and stats after successful restart
Problem Details: Move the debug message "restarted" and the CAN restart stats_after_ the successful restart of the CAN device, because the restart may fail. While there update the error message from printing the error number to printing symbolic error names. Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-...
```diff diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 9014256c486a..82b12902fc35 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -147,15 +147,15 @@ static void can_restart(struct net_device *dev) netif_rx(skb); } - netdev_dbg(dev, "restarted\n"); - priv->can_s...
8f3ec204d340af183fb2bb21b8e797ac2ed012b2
Analyze and fix the following issue in the Linux kernel code: can: dev: can_restart(): reverse logic to remove need for goto
Problem Details: Reverse the logic in the if statement and eliminate the need for a goto to simplify code readability. Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-restart-v2-3-91b5c1fd922c@pengutronix.de Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Signed-off-by: Marc Kleine-Budde <mkl@peng...
```diff diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 735d5de3caa0..9014256c486a 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -142,14 +142,11 @@ static void can_restart(struct net_device *dev) /* send restart message upstream */ skb = alloc_can_err_skb(dev, ...
6841cab8c4504835e4011689cbdb3351dec693fd
Analyze and fix the following issue in the Linux kernel code: can: dev: can_restart(): fix race condition between controller restart and netif_carrier_on()
Problem Details: This race condition was discovered while updating the at91_can driver to use can_bus_off(). The following scenario describes how the converted at91_can driver would behave. When a CAN device goes into BUS-OFF state, the driver usually stops/resets the CAN device and calls can_bus_off(). This function...
```diff diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index a5bbdfa9a269..735d5de3caa0 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -154,11 +154,12 @@ restart: priv->can_stats.restarts++; /* Now restart the device */ - err = priv->do_set_mode(dev, CAN_MODE_START);...
fe5c9940dfd8ba0c73672dddb30acd1b7a11d4c7
Analyze and fix the following issue in the Linux kernel code: can: dev: can_restart(): don't crash kernel if carrier is OK
Problem Details: During testing, I triggered a can_restart() with the netif carrier being OK [1]. The BUG_ON, which checks if the carrier is OK, results in a fatal kernel crash. This is neither helpful for debugging nor for a production system. [1] The root cause is a race condition in can_restart() which will be fixe...
```diff diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 7f9334a8af50..a5bbdfa9a269 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -132,7 +132,8 @@ static void can_restart(struct net_device *dev) struct can_frame *cf; int err; - BUG_ON(netif_carrier_ok(dev)); + i...
ae6df65dabc3f8bd89663d96203963323e266d90
Analyze and fix the following issue in the Linux kernel code: rust: upgrade to Rust 1.72.1
Problem Details: This is the third upgrade to the Rust toolchain, from 1.71.1 to 1.72.1 (i.e. the latest) [1]. See the upgrade policy [2] and the comments on the first upgrade in commit 3ed03f4da06e ("rust: upgrade to Rust 1.68.2"). # Unstable features No unstable features (that we use) were stabilized. Therefore, ...
```diff diff --git a/Documentation/process/changes.rst b/Documentation/process/changes.rst index b48da698d6f2..731cc104c56f 100644 --- a/Documentation/process/changes.rst +++ b/Documentation/process/changes.rst @@ -31,7 +31,7 @@ you probably needn't concern yourself with pcmciautils. ====================== ===========...
fae633cfb729da2771b5433f6b84ae7e8b4aa5f7
Analyze and fix the following issue in the Linux kernel code: thermal: intel: powerclamp: fix mismatch in get function for max_idle
Problem Details: KASAN reported this [ 444.853098] BUG: KASAN: global-out-of-bounds in param_get_int+0x77/0x90 [ 444.853111] Read of size 4 at addr ffffffffc16c9220 by task cat/2105 ... [ 444.853442] The buggy address belongs to the variable: [ 444.853443] max_idle+0x0/0xffffffffffffcde0 ...
```diff diff --git a/drivers/thermal/intel/intel_powerclamp.c b/drivers/thermal/intel/intel_powerclamp.c index 36243a3972fd..5ac5cb60bae6 100644 --- a/drivers/thermal/intel/intel_powerclamp.c +++ b/drivers/thermal/intel/intel_powerclamp.c @@ -256,7 +256,7 @@ skip_limit_set: static const struct kernel_param_ops max_i...
690acef3c47f96cd89853fad90f02ba80a497306
Analyze and fix the following issue in the Linux kernel code: dt-bindings: gpio: vf610: update gpio-ranges
Problem Details: i.MX93 supports four gpio-ranges at max. To fix below issue: "gpio@43820080: gpio-ranges: [[30, 0, 84, 8], [30, 8, 66, 18], [30, 26, 34, 2], [30, 28, 0, 4]] is too long" Update the gpio-ranges property Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Fabio Estevam <festev...
```diff diff --git a/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml index 7c2d152e8617..59427d97adf5 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-vf610.yaml @@ -59,7 +59,8 @@ propert...
10f20628c9b8e924b8046e63b36b2cea4d2c85e4
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: fail dpu_plane_atomic_check() based on mdp clk limits
Problem Details: Currently, dpu_plane_atomic_check() does not check whether the plane can process the image without exceeding the per chipset limits for MDP clock. This leads to underflow issues because the SSPP is not able to complete the processing for the data rate of the display. Fail the dpu_plane_atomic_check() ...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 98c1b22e9bca..0be195f9149c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -733,9 +733,11 @@ static int dpu_plane_check_inline_rotation(struct dpu_pl...
fd39d9668f2ce9f4b05ad55e8c8d80c098073e0b
Analyze and fix the following issue in the Linux kernel code: iio: pressure: ms5611: ms5611_prom_is_valid false negative bug
Problem Details: The ms5611 driver falsely rejects lots of MS5607-02BA03-50 chips with "PROM integrity check failed" because it doesn't accept a prom crc value of zero as legitimate. According to the datasheet for this chip (and the manufacturer's application note about the PROM CRC), none of the possible values for t...
```diff diff --git a/drivers/iio/pressure/ms5611_core.c b/drivers/iio/pressure/ms5611_core.c index 627497e61a63..2fc706f9d8ae 100644 --- a/drivers/iio/pressure/ms5611_core.c +++ b/drivers/iio/pressure/ms5611_core.c @@ -76,7 +76,7 @@ static bool ms5611_prom_is_valid(u16 *prom, size_t len) crc = (crc >> 12) & 0x000F;...
87b9a0e3ff31d857ed1d13637898c472964aab7d
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: adc: adi,ad7292: Fix additionalProperties on channel nodes
Problem Details: "additionalProperties: true" is only for incomplete schemas such as bus child nodes in a bus's schema. That doesn't apply to the "channel" nodes in the adi,ad7292 binding, so fix additionalProperties to be false. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Conor Dooley <conor.dooley@microch...
```diff diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml index 7cc4ddc4e9b7..2aa1f4b063eb 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7292.yaml @@ -61,7 +61,...
7e7dcab620cd6d34939f615cac63fc0ef7e81c72
Analyze and fix the following issue in the Linux kernel code: iio: adc: ad7192: Correct reference voltage
Problem Details: The avdd and the reference voltage are two different sources but the reference voltage was assigned according to the avdd supply. Add vref regulator structure and set the reference voltage according to the vref supply from the devicetree. In case vref supply is missing, reference voltage is set accor...
```diff diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index 69d1103b9508..b64fd365f83f 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -177,6 +177,7 @@ struct ad7192_chip_info { struct ad7192_state { const struct ad7192_chip_info *chip_info; struct regulator *avdd; + str...
7e87ab38eed09c9dec56da361d74158159ae84a3
Analyze and fix the following issue in the Linux kernel code: iio: light: vcnl4000: Don't power on/off chip in config
Problem Details: After enabling/disabling interrupts on the vcnl4040 chip the als and/or ps sensor is powered on or off depending on the interrupt enable bits. This is made as a last step in write_event_config. But there is no reason to do this as the runtime PM handles the power state of the sensors. Interfering with...
```diff diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c index 3a52b09c2823..fdf763a04b0b 100644 --- a/drivers/iio/light/vcnl4000.c +++ b/drivers/iio/light/vcnl4000.c @@ -1513,7 +1513,6 @@ static int vcnl4040_write_event_config(struct iio_dev *indio_dev, out: mutex_unlock(&data->vcnl4000_lo...
b120dd3a15582fb7a959cecb05e4d9814fcba386
Analyze and fix the following issue in the Linux kernel code: iio: addac: Kconfig: update ad74413r selections
Problem Details: Building ad74413r without selecting IIO_BUFFER and IIO_TRIGGERED_BUFFER generates error with respect to the iio trigger functions that are used within the driver. Update the Kconfig accordingly. Fixes: fea251b6a5db ("iio: addac: add AD74413R driver") Signed-off-by: Antoniu Miclaus <antoniu.miclaus@ana...
```diff diff --git a/drivers/iio/addac/Kconfig b/drivers/iio/addac/Kconfig index 877f9124803c..397544f23b85 100644 --- a/drivers/iio/addac/Kconfig +++ b/drivers/iio/addac/Kconfig @@ -24,6 +24,8 @@ config AD74413R depends on GPIOLIB && SPI select REGMAP_SPI select CRC8 + select IIO_BUFFER + select IIO_TRIGGERED_BU...
901a293fd96fb9bab843ba4cc7be3094a5aa7c94
Analyze and fix the following issue in the Linux kernel code: iio: pressure: dps310: Adjust Timeout Settings
Problem Details: The DPS310 sensor chip has been encountering intermittent errors while reading the sensor device across various system designs. This issue causes the chip to become "stuck," preventing the indication of "ready" status for pressure and temperature measurements in the MEAS_CFG register. To address this ...
```diff diff --git a/drivers/iio/pressure/dps310.c b/drivers/iio/pressure/dps310.c index b10dbf5cf494..1ff091b2f764 100644 --- a/drivers/iio/pressure/dps310.c +++ b/drivers/iio/pressure/dps310.c @@ -57,8 +57,8 @@ #define DPS310_RESET_MAGIC 0x09 #define DPS310_COEF_BASE 0x10 -/* Make sure sleep time is <= 20ms for ...
c9b9cfe7d342683f624a89c3b617be18aff879e8
Analyze and fix the following issue in the Linux kernel code: iio: imu: bno055: Fix missing Kconfig dependencies
Problem Details: This driver uses IIO triggered buffers so it needs to select them in Kconfig. on riscv-32bit: /opt/crosstool/gcc-13.2.0-nolibc/riscv32-linux/bin/riscv32-linux-ld: drivers/iio/imu/bno055/bno055.o: in function `.L367': bno055.c:(.text+0x2c96): undefined reference to `devm_iio_triggered_buffer_setup_ext...
```diff diff --git a/drivers/iio/imu/bno055/Kconfig b/drivers/iio/imu/bno055/Kconfig index fa79b1ac4f85..83e53acfbe88 100644 --- a/drivers/iio/imu/bno055/Kconfig +++ b/drivers/iio/imu/bno055/Kconfig @@ -2,6 +2,8 @@ config BOSCH_BNO055 tristate + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER config BOSCH_BNO05...
850101b3598277794f92a9e363a60a66e0d42890
Analyze and fix the following issue in the Linux kernel code: iio: adc: imx8qxp: Fix address for command buffer registers
Problem Details: The ADC Command Buffer Register high and low are currently pointing to the wrong address and makes it impossible to perform correct ADC measurements over all channels. According to the datasheet of the imx8qxp the ADC_CMDL register starts at address 0x100 and the ADC_CMDH register starts at address 0x...
```diff diff --git a/drivers/iio/adc/imx8qxp-adc.c b/drivers/iio/adc/imx8qxp-adc.c index f5a0fc9e64c5..fff6e5a2d956 100644 --- a/drivers/iio/adc/imx8qxp-adc.c +++ b/drivers/iio/adc/imx8qxp-adc.c @@ -38,8 +38,8 @@ #define IMX8QXP_ADR_ADC_FCTRL 0x30 #define IMX8QXP_ADR_ADC_SWTRIG 0x34 #define IMX8QXP_ADR_ADC_TCTRL(t...
7771c8c80d62ad065637ef74ed2962983f6c5f6d
Analyze and fix the following issue in the Linux kernel code: iio: cros_ec: fix an use-after-free in cros_ec_sensors_push_data()
Problem Details: cros_ec_sensors_push_data() reads `indio_dev->active_scan_mask` and calls iio_push_to_buffers_with_timestamp() without making sure the `indio_dev` stays in buffer mode. There is a race if `indio_dev` exits buffer mode right before cros_ec_sensors_push_data() accesses them. An use-after-free on `indio...
```diff diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c index b72d39fc2434..6bfe5d6847e7 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c @@ -190,8 +19...
ea191d0fd361fb569b6c3d19e5410510aa6b6bac
Analyze and fix the following issue in the Linux kernel code: iio: irsd200: fix -Warray-bounds bug in irsd200_trigger_handler
Problem Details: When compiling with gcc 13 with -Warray-bounds enabled: In file included from drivers/iio/proximity/irsd200.c:15: In function ‘iio_push_to_buffers_with_timestamp’, inlined from ‘irsd200_trigger_handler’ at drivers/iio/proximity/irsd200.c:770:2: ./include/linux/iio/buffer.h:42:46: error: array subs...
```diff diff --git a/drivers/iio/proximity/irsd200.c b/drivers/iio/proximity/irsd200.c index 5bd791b46d98..bdff91f6b1a3 100644 --- a/drivers/iio/proximity/irsd200.c +++ b/drivers/iio/proximity/irsd200.c @@ -759,14 +759,14 @@ static irqreturn_t irsd200_trigger_handler(int irq, void *pollf) { struct iio_dev *indio_dev...
c6fd91276d64039d068f5ceaf7ad335475bb0389
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: rohm,bu27010: add missing vdd-supply to example
Problem Details: Bindings require vdd-supply but the example DTS was missing one. This fixes dt_binding_check error: Documentation/devicetree/bindings/iio/light/rohm,bu27010.example.dtb: light-sensor@38: 'vdd-supply' is a required property Fixes: ce2a8c160066 ("dt-bindings: iio: ROHM BU27010 RGBC + flickering sens...
```diff diff --git a/Documentation/devicetree/bindings/iio/light/rohm,bu27010.yaml b/Documentation/devicetree/bindings/iio/light/rohm,bu27010.yaml index 8376d64a641a..bed42d5d0d94 100644 --- a/Documentation/devicetree/bindings/iio/light/rohm,bu27010.yaml +++ b/Documentation/devicetree/bindings/iio/light/rohm,bu27010.ya...
c38d23a54445f9a8aa6831fafc9af0496ba02f9e
Analyze and fix the following issue in the Linux kernel code: RDMA/core: Require admin capabilities to set system parameters
Problem Details: Like any other set command, require admin permissions to do it. Cc: stable@vger.kernel.org Fixes: 2b34c5580226 ("RDMA/core: Add command to set ib_core device net namspace sharing mode") Link: https://lore.kernel.org/r/75d329fdd7381b52cbdf87910bef16c9965abb1f.1696443438.git.leon@kernel.org Reviewed-by:...
```diff diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index d5d3e4f0de77..6d1dbc978759 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -2529,6 +2529,7 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = { }, [RDMA_NLDEV_CMD_S...
e5ed101a602873d65d2d64edaba93e8c73ec1b0f
Analyze and fix the following issue in the Linux kernel code: mptcp: userspace pm allow creating id 0 subflow
Problem Details: This patch drops id 0 limitation in mptcp_nl_cmd_sf_create() to allow creating additional subflows with the local addr ID 0. There is no reason not to allow additional subflows from this local address: we should be able to create new subflows from the initial endpoint. This limitation was breaking ful...
```diff diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c index b5a8aa4c1ebd..d042d32beb4d 100644 --- a/net/mptcp/pm_userspace.c +++ b/net/mptcp/pm_userspace.c @@ -307,12 +307,6 @@ int mptcp_nl_cmd_sf_create(struct sk_buff *skb, struct genl_info *info) goto create_err; } - if (addr_l.id == 0) { - ...
a5efdbcece83af94180e8d7c0a6e22947318499d
Analyze and fix the following issue in the Linux kernel code: mptcp: fix delegated action races
Problem Details: The delegated action infrastructure is prone to the following race: different CPUs can try to schedule different delegated actions on the same subflow at the same time. Each of them will check different bits via mptcp_subflow_delegate(), and will try to schedule the action on the related per-cpu napi ...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index e252539b1e19..c3b83cb390d9 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3425,24 +3425,21 @@ static void schedule_3rdack_retransmission(struct sock *ssk) sk_reset_timer(ssk, &icsk->icsk_delack_timer, timeout); } -void mptcp_s...
56df345917c09ffc00b7834f88990a7a7c338b5c
Analyze and fix the following issue in the Linux kernel code: i40e: Remove circular header dependencies and fix headers
Problem Details: Similarly as for ice driver [1] there are also circular header dependencies in i40e driver: i40e.h -> i40e_virtchnl_pf.h -> i40e.h Another issue is that i40e header files does not contain their own dependencies on other header files (both private and standard) so their inclusion in .c file require to ...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 7f79d5929be6..107826c040c1 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -4,47 +4,20 @@ #ifndef _I40E_H_ #define _I40E_H_ -#include <net/tcp.h> -#include <...
3eef8555891026628aa1cc6dbc01db86df88aa26
Analyze and fix the following issue in the Linux kernel code: net: stmmac: remove unneeded stmmac_poll_controller
Problem Details: Using netconsole netpoll_poll_dev could be called from interrupt context, thus using disable_irq() would cause the following kernel warning with CONFIG_DEBUG_ATOMIC_SLEEP enabled: BUG: sleeping function called from invalid context at kernel/irq/manage.c:137 in_atomic(): 1, irqs_disabled(): 128, no...
```diff diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 83c567a89a46..ed1a5a31a491 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -6002,33 +6002,6 @@ static irqreturn_t stm...
5dfd37c37a44ba47c35ff8e6eaff14c226141111
Analyze and fix the following issue in the Linux kernel code: i40e: Split i40e_osdep.h
Problem Details: Header i40e_osdep.h contains only IO primitives and couple of debug printing macros. Split this header file to i40e_io.h and i40e_debug.h and move i40e_debug_mask enum to i40e_debug.h Signed-off-by: Ivan Vecera <ivecera@redhat.com> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com> Reviewed-b...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h index 1c3d2bc5c3f7..80125bea80a2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -4,8 +4,8 @@ #ifndef _I40E_ADMINQ_H_ #define _I40E_ADMIN...
24d813b2ec7dc7b617fee835baaf91c42436367b
Analyze and fix the following issue in the Linux kernel code: PCI: Make pci_assign_unassigned_resources() non-init
Problem Details: Fix a section mismatch warning on Sparc 32-bit: WARNING: modpost: vmlinux: section mismatch in reference: leon_pci_init+0xf8 (section: .text) -> pci_assign_unassigned_resources (section: .init.text) This is due to this comment from arch/sparc/kernel/leon_pci.c: The LEON architecture does not rel...
```diff diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index dae490f25641..fd74f1c99dba 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -2129,7 +2129,7 @@ dump: pci_bus_dump_resources(bus); } -void __init pci_assign_unassigned_resources(void) +void pci_assign_unassigned_resour...
566aeed6871ac2189b5bfe03e1a5b3b7be5eca38
Analyze and fix the following issue in the Linux kernel code: net: lan743x: also select PHYLIB
Problem Details: Since FIXED_PHY depends on PHYLIB, PHYLIB needs to be set to avoid a kconfig warning: WARNING: unmet direct dependencies detected for FIXED_PHY Depends on [n]: NETDEVICES [=y] && PHYLIB [=n] Selected by [y]: - LAN743X [=y] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_MICROCHIP [=y] && PCI [...
```diff diff --git a/drivers/net/ethernet/microchip/Kconfig b/drivers/net/ethernet/microchip/Kconfig index 329e374b9539..43ba71e82260 100644 --- a/drivers/net/ethernet/microchip/Kconfig +++ b/drivers/net/ethernet/microchip/Kconfig @@ -46,6 +46,7 @@ config LAN743X tristate "LAN743x support" depends on PCI depends ...
9031e0013f819ca697a65046e5b86cd1a21b86ea
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Fix mst hub unplug warning
Problem Details: [Why] Unplug mst hub will cause warning. That's because dm_helpers_construct_old_payload() is changed to be called after payload removement from dc link. In dm_helpers_construct_old_payload(), We refer to the vcpi in payload allocation table of dc link to construct the old payload and payload is no lo...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index c4c35f6844f4..f91d759793f0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -204,15 +2...
63e5aa69b821472a3203a29e17c025329c1b151f
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: k3-am62a7-sk: Drop i2c-1 to 100Khz
Problem Details: The TLV320AIC3106 audio codec is interfaced on the i2c-1 bus. With the default rate of 400Khz the i2c register writes fail to sync: [ 36.026387] tlv320aic3x 1-001b: Unable to sync registers 0x16-0x16. -110 [ 38.101130] omap_i2c 20010000.i2c: controller timed out Dropping the rate to 100Khz fixes ...
```diff diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts index c689d3da2def..866b2725f775 100644 --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts @@ -261,7 +261,7 @@ status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&m...
c7368ddba2ffcc5d200122c5bb122c3825ecb976
Analyze and fix the following issue in the Linux kernel code: ARM: 9326/1: make <linux/uaccess.h> self-contained for ARM
Problem Details: When I compiled the following code for ARM, I encountered numerous errors. [Test Code] #include <linux/compiler.h> #include <linux/uaccess.h> int foo(int *x, int __user *ptr) { return get_user(*x, ptr); } To fix the errors, make some asm headers self-contained: 1. ...
```diff diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h index 41536feb4392..d48859fdf32c 100644 --- a/arch/arm/include/asm/domain.h +++ b/arch/arm/include/asm/domain.h @@ -8,8 +8,8 @@ #define __ASM_PROC_DOMAIN_H #ifndef __ASSEMBLY__ +#include <linux/thread_info.h> #include <asm/barrier.h...
2d3dff577dd0ea8fe9637a13822f7603c4a881c8
Analyze and fix the following issue in the Linux kernel code: tools: iio: iio_generic_buffer ensure alignment
Problem Details: The iio_generic_buffer can return garbage values when the total size of scan data is not a multiple of the largest element in the scan. This can be demonstrated by reading a scan, consisting, for example of one 4-byte and one 2-byte element, where the 4-byte element is first in the buffer. The IIO gen...
```diff diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 44bbf80f0cfd..0d0a7a19d6f9 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -54,9 +54,12 @@ enum autochan { static unsigned int size_from_channelarray(struct iio_channel_info *channels, int num...
24d3ba0a7b44c1617c27f5045eecc4f34752ab03
Analyze and fix the following issue in the Linux kernel code: ARM: 9324/1: fix get_user() broken with veneer
Problem Details: The 32-bit ARM kernel stops working if the kernel grows to the point where veneers for __get_user_* are created. AAPCS32 [1] states, "Register r12 (IP) may be used by a linker as a scratch register between a routine and any subroutine it calls. It can also be used within a routine to hold intermediate...
```diff diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index bb5c81823117..c28f5ec21e41 100644 --- a/arch/arm/include/asm/uaccess.h +++ b/arch/arm/include/asm/uaccess.h @@ -109,16 +109,6 @@ extern int __get_user_64t_1(void *); extern int __get_user_64t_2(void *); extern int __get_user_64...
399da29ff5eb3f675c71423bec4cf2208f218576
Analyze and fix the following issue in the Linux kernel code: ARM: 9323/1: mm: Fix ARCH_LOW_ADDRESS_LIMIT when CONFIG_ZONE_DMA
Problem Details: Configuring VMSPLIT_2G + LPAE on Raspberry Pi 4 leads to SWIOTLB buffer allocation beyond platform dma_zone_size of SZ_1G, which results in broken SD card boot. So fix this be setting ARCH_LOW_ADDRESS_LIMIT in CONFIG_ZONE_DMA case. Suggested-by: Russell King <rmk+kernel@armlinux.org.uk> Fixes: e9faf9...
```diff diff --git a/arch/arm/include/asm/dma.h b/arch/arm/include/asm/dma.h index c6aded1b069c..e2a1916013e7 100644 --- a/arch/arm/include/asm/dma.h +++ b/arch/arm/include/asm/dma.h @@ -12,6 +12,9 @@ extern phys_addr_t arm_dma_zone_size; \ arm_dma_zone_size && arm_dma_zone_size < (0x100000000ULL - PAGE_OFFSET) ? \...
c0e824661f443b8cab3897006c1bbc69fd0e7bc4
Analyze and fix the following issue in the Linux kernel code: ARM: 9321/1: memset: cast the constant byte to unsigned char
Problem Details: memset() description in ISO/IEC 9899:1999 (and elsewhere) says: The memset function copies the value of c (converted to an unsigned char) into each of the first n characters of the object pointed to by s. The kernel's arm32 memset does not cast c to unsigned char. This results in the following cod...
```diff diff --git a/arch/arm/lib/memset.S b/arch/arm/lib/memset.S index d71ab61430b2..de75ae4d5ab4 100644 --- a/arch/arm/lib/memset.S +++ b/arch/arm/lib/memset.S @@ -17,6 +17,7 @@ ENTRY(__memset) ENTRY(mmioset) WEAK(memset) UNWIND( .fnstart ) + and r1, r1, #255 @ cast to unsigned char ands r3, r0, #3 @ ...
b0150014878c32197cfa66e3e2f79e57f66babc0
Analyze and fix the following issue in the Linux kernel code: ARM: 9320/1: fix stack depot IRQ stack filter
Problem Details: Place IRQ handlers such as gic_handle_irq() in the irqentry section even if FUNCTION_GRAPH_TRACER is not enabled. Without this, the stack depot's filter_irq_stacks() does not correctly filter out IRQ stacks in those configurations, which hampers deduplication and eventually leads to "Stack depot reach...
```diff diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h index 58e039a851af..3c82975d46db 100644 --- a/arch/arm/include/asm/exception.h +++ b/arch/arm/include/asm/exception.h @@ -10,10 +10,6 @@ #include <linux/interrupt.h> -#ifdef CONFIG_FUNCTION_GRAPH_TRACER #define __exception_ir...
414f28a94222fe372a5b2378415895b9c4dc540f
Analyze and fix the following issue in the Linux kernel code: ARM: 9319/1: sa1111: fix sa1111_probe kernel-doc warnings
Problem Details: Document only the platform_driver probe entry point in kernel-doc to prevent kernel-doc warnings: sa1111.c:802: warning: Function parameter or member 'me' not described in '__sa1111_probe' sa1111.c:802: warning: Function parameter or member 'mem' not described in '__sa1111_probe' sa1111.c:802: warning...
```diff diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 77c83ba81715..1fbd7363cf11 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -785,19 +785,6 @@ sa1111_init_one_child(struct sa1111 *sachip, struct resource *parent, return ret; } -/** - * sa1111_probe - probe for a...
33269ac0b768b07da017df173d52952625c57870
Analyze and fix the following issue in the Linux kernel code: arm64: dts: ti: k3-am625-beagleplay: Fix typo in ramoops reg
Problem Details: Seems like the address value of the reg property was mistyped. Update reg to 0x9ca00000 to match node's definition. Fixes: f5a731f0787f ("arm64: dts: ti: Add k3-am625-beagleplay") Signed-off-by: Wadim Egorov <w.egorov@phytec.de> Reviewed-by: Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/2...
```diff diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts index f646d1ec4c05..00891a0f8fc3 100644 --- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts +++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts @@ -59,7 +59,7 @@ ramoops: ramoops@9ca00000 { co...
848f68c760ab1e14a9046ea6e45e3304ab9fa50b
Analyze and fix the following issue in the Linux kernel code: iio: magnetometer: ak8975: Fix 'Unexpected device' error
Problem Details: Explicity specify array indices to fix mapping between asahi_compass_chipset and ak_def_array. While at it, remove unneeded AKXXXX. Fixes: 4f9ea93afde1 ("iio: magnetometer: ak8975: Convert enum->pointer for data in the match tables") Signed-off-by: André Apitzsch <git@apitzsch.eu> Reviewed-by: Biju Da...
```diff diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 8cfceb007936..dd466c5fa621 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -204,7 +204,6 @@ static long ak09912_raw_to_gauss(u16 data) /* Compatible Asahi Kasei Compass parts */ ...
5ddd8baa4857709b4e5d84b376d735152851955b
Analyze and fix the following issue in the Linux kernel code: tracing: Make system_callback() function static
Problem Details: The system_callback() function in trace_events.c is only used within that file. The "static" annotation was missed. Fixes: 5790b1fb3d672 ("eventfs: Remove eventfs_file and just use eventfs_inode") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202310051743...
```diff diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 0e3a1c70e410..db46d2116500 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -2282,7 +2282,7 @@ create_new_subsystem(const char *name) return NULL; } -int system_callback(const char *name, umode_t *mode...
2819f23ac12ce93ff79ca7a54597df9a4a1f6331
Analyze and fix the following issue in the Linux kernel code: eventfs: Use eventfs_remove_events_dir()
Problem Details: The update to removing the eventfs_file changed the way the events top level directory was handled. Instead of returning a dentry, it now returns the eventfs_inode. In this changed, the removing of the events top level directory is not much different than removing any of the other directories. Because ...
```diff diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c index eab18b157ef5..1ccd100bc565 100644 --- a/fs/tracefs/event_inode.c +++ b/fs/tracefs/event_inode.c @@ -901,22 +901,17 @@ void eventfs_remove_dir(struct eventfs_inode *ei) } /** - * eventfs_remove_events_dir - remove eventfs dir or file from...
f74c746e476b9dad51448b9a9421aae72b60e25f
Analyze and fix the following issue in the Linux kernel code: io_uring/kbuf: Allow the full buffer id space for provided buffers
Problem Details: nbufs tracks the number of buffers and not the last bgid. In 16-bit, we have 2^16 valid buffers, but the check mistakenly rejects the last bid. Let's fix it to make the interface consistent with the documentation. Fixes: ddf0322db79c ("io_uring: add IORING_OP_PROVIDE_BUFFERS") Signed-off-by: Gabriel K...
```diff diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index 52dba81c3f50..12a357348733 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -19,12 +19,15 @@ #define BGID_ARRAY 64 +/* BIDs are addressed by a 16-bit field in a CQE */ +#define MAX_BIDS_PER_BGID (1 << 16) + struct io_provide_buf { struct file *...
ab69838e7c75b0edb699c1a8f42752b30333c46f
Analyze and fix the following issue in the Linux kernel code: io_uring/kbuf: Fix check of BID wrapping in provided buffers
Problem Details: Commit 3851d25c75ed0 ("io_uring: check for rollover of buffer ID when providing buffers") introduced a check to prevent wrapping the BID counter when sqe->off is provided, but it's off-by-one too restrictive, rejecting the last possible BID (65534). i.e., the following fails with -EINVAL. io_uri...
```diff diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index 556f4df25b0f..52dba81c3f50 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -352,7 +352,7 @@ int io_provide_buffers_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe tmp = READ_ONCE(sqe->off); if (tmp > USHRT_MAX) return -E2BIG; - if (tmp ...
67142d6f1e2fd97c035a42612b5b28809dc5f6ea
Analyze and fix the following issue in the Linux kernel code: MAINTAINERS: fix Analog Devices website link
Problem Details: The http://ez.analog.com/community/linux-device-drivers link is broken. Update website link to the new available one: https://ez.analog.com/linux-software-drivers Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20230926100149.4611-1-antoniu.miclaus@analog.c...
```diff diff --git a/MAINTAINERS b/MAINTAINERS index 337a4244ee30..0782484cceb8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1119,7 +1119,7 @@ ANALOG DEVICES INC AD4130 DRIVER M: Cosmin Tanislav <cosmin.tanislav@analog.com> L: linux-iio@vger.kernel.org S: Supported -W: http://ez.analog.com/community/linux-device-d...