id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
898e70d1e526d7814bd2f64c907706b83ffca9af
Analyze and fix the following issue in the Linux kernel code: HWPOISON: Disable DEBUG by default
Problem Details: Now that only a few obscure messages are left as pr_debug disable outputting of pr_debug in memory-failure.c by default. Signed-off-by: Andi Kleen <ak@linux.intel.com>
```diff diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 0a2ed9a17e8c..77b3e79528f0 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -35,7 +35,6 @@ * - kcore/oldmem/vmcore/mem/kmem check for hwpoison pages * - pass bad pages to kdump next kernel */ -#define DEBUG 1 /* remove me in 2.6.34...
aa50d3a7aa8147b9e14dc9d5972a5d2359db4ef8
Analyze and fix the following issue in the Linux kernel code: Encode huge page size for VM_FAULT_HWPOISON errors
Problem Details: This fixes a problem introduced with the hugetlb hwpoison handling The user space SIGBUS signalling wants to know the size of the hugepage that caused a HWPOISON fault. Unfortunately the architecture page fault handlers do not have easy access to the struct page. Pass the information out in the faul...
```diff diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 796f30e00806..943c76b3d4bb 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -307,6 +307,11 @@ static inline struct hstate *page_hstate(struct page *page) return size_to_hstate(PAGE_SIZE << compound_order(page)); } +st...
6f39ce056ab2ab2d29b2fae4aed61ed0b485972f
Analyze and fix the following issue in the Linux kernel code: Fix build error with !CONFIG_MIGRATION
Problem Details: migrate_huge_page_move_mapping() is declared as "extern int ..." in include/linux/migrate.h for !CONFIG_MIGRATION, which causes the build error like below: mm/mprotect.o: In function `migrate_huge_page_move_mapping': mprotect.c:(.text+0x0): multiple definition of `migrate_huge_page_move_mapping' ...
```diff diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 3c1941e40e61..085527fb8261 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -50,7 +50,7 @@ static inline int migrate_vmas(struct mm_struct *mm, static inline void migrate_page_copy(struct page *newpage, struct p...
d5bd910696a27e505078c19ba6b4143537570681
Analyze and fix the following issue in the Linux kernel code: hugepage: move is_hugepage_on_freelist inside ifdef to avoid warning
Problem Details: Fixes warning reported by Stephen Rothwell mm/hugetlb.c:2950: warning: 'is_hugepage_on_freelist' defined but not used for the !CONFIG_MEMORY_FAILURE case. Signed-off-by: Andi Kleen <ak@linux.intel.com>
```diff diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 7123270bfb38..67cd03239b75 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2946,6 +2946,8 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed) hugetlb_acct_memory(h, -(chg - freed)); } +#ifdef CONFIG_MEMORY_FAILURE + /* Should be cal...
6a90181c7b0558b86179c1f5bcf3ab11f9d1bd30
Analyze and fix the following issue in the Linux kernel code: HWPOISON, hugetlb: fix unpoison for hugepage
Problem Details: Currently unpoisoning hugepages doesn't work correctly because clearing PG_HWPoison is done outside if (TestClearPageHWPoison). This patch fixes it. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Acked-by: Mel Gorman <mel@csn.ul.ie> S...
```diff diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 74eb425010af..14589a228e97 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1202,9 +1202,9 @@ int unpoison_memory(unsigned long pfn) pr_debug("MCE: Software-unpoisoned page %#lx\n", pfn); atomic_long_sub(nr_pages, &mce_bad_pages); ...
998b4382c1d75a6fd3b0e334dae3ab33bd074d99
Analyze and fix the following issue in the Linux kernel code: hugetlb: fix metadata corruption in hugetlb_fault()
Problem Details: Since the PageHWPoison() check is for avoiding hwpoisoned page remained in pagecache mapping to the process, it should be done in "found in pagecache" branch, not in the common path. Otherwise, metadata corruption occurs if memory failure happens between alloc_huge_page() and lock_page() because page f...
```diff diff --git a/mm/hugetlb.c b/mm/hugetlb.c index c03273807182..bd031a4c738e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2515,21 +2515,18 @@ retry: hugepage_add_new_anon_rmap(page, vma, address); } } else { + /* + * If memory error occurs between mmap() and fault, some process + * don't have hwp...
5fd03ddab7fdbc44bfb2d183a4531c26a8dbca5a
Analyze and fix the following issue in the Linux kernel code: memblock/arm: Fix memblock_region_is_memory() typo
Problem Details: Fix typo in commit dbe3039 ("memblock/arm: Use memblock_region_is_memory() for omap fb") - it should be memblock_is_region_memory(). Reported-by: Tomi Valkeinen <tomi.valkeinen@nokia.com> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Felipe Ba...
```diff diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c index 441af2bdfd15..71934817e172 100644 --- a/arch/arm/plat-omap/fb.c +++ b/arch/arm/plat-omap/fb.c @@ -173,7 +173,7 @@ static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg, static int valid_sdram(unsigned long addr, unsigne...
7cf4b482f06df0b590a9bc1561a5a81d67e0fe4c
Analyze and fix the following issue in the Linux kernel code: ARM: SAMSUNG: Add a workaround for get_clock() for serial driver
Problem Details: Serial drivers call get_clock() very early, before platform bus has been set up, this requires a special check to let them get a proper clock. Without this patch, a serial console is broken on S5PV310 and S5PC210 boards. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmi...
```diff diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 90a20512d68d..e8d20b0bc50e 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -48,6 +48,9 @@ #include <plat/clock.h> #include <plat/cpu.h> +#include <linux/serial_core.h> +#include <plat/regs-seri...
4341f9b38fe33aab51439ae59593e149a6f61d9f
Analyze and fix the following issue in the Linux kernel code: ARM: S5P: Bug fix on errors of build with CONFIG_PREEMPT_NONE
Problem Details: This patch adds header <linux/sched.h> into the below files for build with CONFIG_PREEMPT_NONE. arch/arm/mach-s5p6440/cpu.c arch/arm/mach-s5p6442/cpu.c arch/arm/mach-s5pc100/cpu.c arch/arm/mach-s5pv210/cpu.c Following is error message of in case of s5pv210_defconfig with CONFIG_PREEMPT_NONE. arch/ar...
```diff diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c index 526f33adb31d..ec592e866054 100644 --- a/arch/arm/mach-s5p6440/cpu.c +++ b/arch/arm/mach-s5p6440/cpu.c @@ -19,6 +19,7 @@ #include <linux/sysdev.h> #include <linux/serial_core.h> #include <linux/platform_device.h> +#include <linux/sch...
1a95036465e6abdcb639f0d7bb1ec612663caf5b
Analyze and fix the following issue in the Linux kernel code: ARM: SAMSUNG: Fix build warnings because of unused codes
Problem Details: This patch removes following unused codes for removing build warnings. arch/arm/plat-samsung/adc.c:438: warning: unused variable 'flags' arch/arm/mach-s5pv210/clock.c:176: warning: 's5pv210_clk_ip4_ctrl' defined but not used Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
```diff diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index cfecd70657cb..d562670e1b0b 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -173,11 +173,6 @@ static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKGATE_IP3, clk,...
ccc46a7402200a3b28a8fa1605ea5405a9ef66f7
Analyze and fix the following issue in the Linux kernel code: cifs: fix module refcount leak in find_domain_name
Problem Details: find_domain_name() uses load_nls_default which takes a module reference on the appropriate NLS module, but doesn't put it. Signed-off-by: Jeff Layton <jlayton@redhat.com> Cc: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index 730038a12982..89fb94fac4b5 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -328,13 +328,16 @@ find_domain_name(struct cifsSesInfo *ses) if (!attrsize) break; if (!ses->domainName) { + struct nls_table *default_nls...
5b19208a5e236b26357162d6a28ff9e8d4296725
Analyze and fix the following issue in the Linux kernel code: Staging: speakup: fix speakup core to build properly
Problem Details: The vc_data structure changed to move the tty structure off to the port, so change the code to handle this. Now the code will build properly, and hopefully work as well. Cc: William Hubbs <w.d.hubbs@gmail.com> Cc: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Greg Kroah-Hartman <gregk...
```diff diff --git a/drivers/staging/speakup/buffers.c b/drivers/staging/speakup/buffers.c index 6dd53cf348f6..b7b60d5e8660 100644 --- a/drivers/staging/speakup/buffers.c +++ b/drivers/staging/speakup/buffers.c @@ -28,8 +28,8 @@ void speakup_start_ttys(void) for (i = 0; i < MAX_NR_CONSOLES; i++) { if (speakup_cons...
4128dd9afb986321edf0baa8a3aaa3c7c5aa3730
Analyze and fix the following issue in the Linux kernel code: Staging: brcm80211: remove forgotten undef
Problem Details: I forgot to remove the float undefs in typedef.h from previous patches, this fixes this issue. Cc: Brett Rudley <brudley@broadcom.com> Cc: Henry Ptasinski <henryp@broadcom.com> Cc: Nohee Ko <noheek@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/include/typedefs.h b/drivers/staging/brcm80211/include/typedefs.h index 076d95b84932..a6ab298c4d31 100644 --- a/drivers/staging/brcm80211/include/typedefs.h +++ b/drivers/staging/brcm80211/include/typedefs.h @@ -90,9 +90,6 @@ typedef signed int int32; #undef TYPEDEF_UINTP...
11465f6a7d43f3584fa6ee4a619a25d944c7af8d
Analyze and fix the following issue in the Linux kernel code: Staging: brcm80211: wl_cfg80211.c: fix compiler warnings
Problem Details: size_t should be '%zd' in a printf, not '%d' Cc: Brett Rudley <brudley@broadcom.com> Cc: Henry Ptasinski <henryp@broadcom.com> Cc: Nohee Ko <noheek@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 62f8e09aaafa..b66730c6f85d 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -1334,7 +1334,7 @@ wl_cfg80211_connect(struct ...
a416e9e1dde0fbcf20cda59df284cc0dcf2aadc4
Analyze and fix the following issue in the Linux kernel code: x86-32: Fix sparse warning for the __PHYSICAL_MASK calculation
Problem Details: On 32-bit non-PAE system, cast to 'phys_addr_t' truncates value before subtraction. Subtracting before cast produce same result but remove following warnings from sparse: arch/x86/include/asm/pgtable_types.h:255:38: warning: cast truncates bits from constant value (100000000 becomes 0) arch/x86/incl...
```diff diff --git a/arch/x86/include/asm/page_types.h b/arch/x86/include/asm/page_types.h index a667f24c7254..1df66211fd1b 100644 --- a/arch/x86/include/asm/page_types.h +++ b/arch/x86/include/asm/page_types.h @@ -8,7 +8,7 @@ #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) -#define _...
f14362d1fe81cece6f1d78483e5bbfcf8cc497bf
Analyze and fix the following issue in the Linux kernel code: powerpc, of_serial: Endianness issues setting up the serial ports
Problem Details: The speed and clock of the serial ports is retrieved from the device tree in both the PowerPC legacy serial code and the Open Firmware serial driver, therefore they need to handle the fact that the device tree is always big endian, while the CPU may not be. Also fix other device tree references in the...
```diff diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index c1fd0f9658fd..c834757bebc0 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -52,14 +52,14 @@ static int __init add_legacy_port(struct device_node *np, int want_index, ...
642454cc0774e0774bc1ccb4292d6dc0abd06d20
Analyze and fix the following issue in the Linux kernel code: iwlagn: fix default calibration table size
Problem Details: iwlagn driver uses the IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE as the chain noise reset calibration index and IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE+1 as the chain noise gain calibration index, if not specified by the TLV value in the new firmware format. However, this is broken if we need to add mor...
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 1b682ddcf4e8..c4fe3f94c366 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2062,7 +2062,7 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, vo...
1cf263736092b3712103a5290a93dd0fff376f26
Analyze and fix the following issue in the Linux kernel code: iwlwifi: fix dual-mode scanning
Problem Details: The recent scanning code shuffle accidentally moved the SCAN_HW bit setting _after_ the PAN parameters are modified, which means that they don't take the scan into account -- fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 0ad0d44893ab..c1a389883af0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -1565,13 +1565,15 @@ int iwlagn_request_scan(struct iwl_priv *priv, st...
955a857e062642cd3ebe1dc7bb38c0f85d8f8f17
Analyze and fix the following issue in the Linux kernel code: NFS: new idmapper
Problem Details: This patch creates a new idmapper system that uses the request-key function to place a call into userspace to map user and group ids to names. The old idmapper was single threaded, which prevented more than one request from running at a single time. This means that a user would have to wait for an up...
```diff diff --git a/Documentation/filesystems/nfs/00-INDEX b/Documentation/filesystems/nfs/00-INDEX index 2f68cd688769..3225a5662114 100644 --- a/Documentation/filesystems/nfs/00-INDEX +++ b/Documentation/filesystems/nfs/00-INDEX @@ -14,3 +14,5 @@ nfsroot.txt - short guide on setting up a diskless box with NFS root ...
eee8877ee5e8a879f78034001b5e7c04db005ab2
Analyze and fix the following issue in the Linux kernel code: [SCSI] lpfc 8.3.17: SCSI fixes
Problem Details: - Fail I/Os with incomplete data that complete with SCSI Check condition. - Complete aborted I/Os with host_scribble equal to NULL with success. - Initialize context1 field of iocbq in the new_scsi_buf routines. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <ja...
```diff diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 6e331c73170e..3a658953486c 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -599,6 +599,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc) iocb->ulpClass = CLASS3; psb->stat...
515e0aa21ec399ddcf783140a596312e83d20a80
Analyze and fix the following issue in the Linux kernel code: [SCSI] lpfc 8.3.17: BSG fixes
Problem Details: - Add support for bsg MBX_SLI4_CONFIG. - Multiply linkup timeout in loopback test code by 100. - Set iocb_stat to 0 in the lpfcdiag_loop_get_xri function. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <Jam...
```diff diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 10cfc64782ad..f5d60b55f53a 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -1518,7 +1518,7 @@ lpfc_bsg_diag_mode(struct fc_bsg_job *job) loopback_mode = (struct diag_mode_set *) job->request->rqst...
dcf2a4e0792e837d6133506444a033a95cbc9616
Analyze and fix the following issue in the Linux kernel code: [SCSI] lpfc 8.3.17: SLI Additions and Fixes
Problem Details: - Added driver support for management application to pass down two security specific mailbox commands (MBX_SECURITY_MGMT and MBX_AUTH_PORT) - Added driver support for handling FIPS zeroization trap of host ERATT ER8, performing selective reset and bringing the device up. - Added code to detect INIT...
```diff diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f6efc6fe86d7..f681eea57730 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -586,6 +586,11 @@ lpfc_issue_lip(struct Scsi_Host *shost) phba->cfg_link_speed); mbxstatus = lpfc_sli_issue_...
d439d286f573afab8c164dbc953ce1d214585a40
Analyze and fix the following issue in the Linux kernel code: [SCSI] lpfc 8.3.17: Code Cleanup and Locking fixes
Problem Details: - Move Unload flag earlier in vport deletei to stop ELS traffic - Replaced some unnecessary spin_lock_irqsave with spin_lock_irq - Fixed circular spinlock dependency between low-level driver and SCSI midlayer - Remove duplicate code from lpfc_els_retry routine - Make all error values negative Signed-o...
```diff diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 49d0cf99c24c..10cfc64782ad 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -259,6 +259,7 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job) struct bsg_job_data *dd_data; uint32_t creg_val; int rc ...
bf5eefb007e7c5498a41af2dd65d957ae9793a63
Analyze and fix the following issue in the Linux kernel code: [SCSI] zfcp: Remove scsi_cmnd->serial_number from debug traces
Problem Details: With the change that drivers have to explicitly request the serial number for SCSI commands, this field should not be part of the zfcp traces. It is not worth the effort to request the serial number only for tracing purposes, so simply remove this field from the debug traces. Reviewed-by: Swen Schilli...
```diff diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c index 2224caa8b92d..2cdd6b28ff7f 100644 --- a/drivers/s390/scsi/zfcp_dbf.c +++ b/drivers/s390/scsi/zfcp_dbf.c @@ -154,7 +154,6 @@ void _zfcp_dbf_hba_fsf_response(const char *tag2, int level, scsi_cmnd = (struct scsi_cmnd *)fsf_req->data...
400fb7f6a0cfe13025cb0296fdb4737da7025a8a
Analyze and fix the following issue in the Linux kernel code: move async raid6 test to lib/Kconfig.debug
Problem Details: The prompt for "Self test for hardware accelerated raid6 recovery" does not belong in the top level configuration menu. All the options in crypto/async_tx/Kconfig are selected and do not depend on CRYPTO. Kconfig.debug seems like a reasonable fit. Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Davi...
```diff diff --git a/crypto/async_tx/Kconfig b/crypto/async_tx/Kconfig index 5de2ed13b35d..1b11abbb5c91 100644 --- a/crypto/async_tx/Kconfig +++ b/crypto/async_tx/Kconfig @@ -24,19 +24,6 @@ config ASYNC_RAID6_RECOV select ASYNC_PQ select ASYNC_XOR -config ASYNC_RAID6_TEST - tristate "Self test for hardware accele...
7262026f0eded76b935a12b9b15af05516a8610a
Analyze and fix the following issue in the Linux kernel code: [SCSI] ipr: fix array error logging
Problem Details: The structure definitions for reporting array errors did not have the correct size for the Array WWID field. This patch fixes those definitions. It also fixes part of the output formatting that did not have newlines and fixes size calculations. Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com> ...
```diff diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 3b28e8728131..df9a12c8b373 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -1671,7 +1671,7 @@ static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, array_entry = error->array_member; num_entries = min_t(u32, be32_to_cpu...
e3d2ad8cb2775e4201446489efd1cf26c5bbce5c
Analyze and fix the following issue in the Linux kernel code: [SCSI] libcxgbi: pdu read fixes
Problem Details: Fixed the locking and releasing skb in the case of error in the pdu read path, and added define iscsi_task_cxgbi_data to access the private data inside the iscsi_task. Signed-off-by: Karen Xie <kxie@chelsio.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bo...
```diff diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index db9d08a831d0..6cfce2726ea3 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -593,11 +593,11 @@ static void cxgbi_inform_iscsi_conn_closing(struct cxgbi_sock *csk) csk, csk->state, csk->flags, csk...
1f1846c6ceed07c03ef036a27864befe0f773997
Analyze and fix the following issue in the Linux kernel code: dmaengine: Add Freescale i.MX1/21/27 DMA driver
Problem Details: This driver is currently implemented as a user to the old i.MX DMA API. This allows us to convert each user of the old API to the dmaengine API one by one. Once this is done the old DMA driver can be merged into the i.MX dmaengine driver. V2: remove some debug leftovers and unused variables Signed-of...
```diff diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 3cf1d123f2d3..e0e1f40a9fc8 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -203,6 +203,14 @@ config IMX_SDMA Support the i.MX SDMA engine. This engine is integrated into Freescale i.MX25/31/35/51 chips. +config IMX_DMA + trista...
d24099df9e379b150c164da354b8c6fdafc73257
Analyze and fix the following issue in the Linux kernel code: [SCSI] ibmvfc: Handle Virtual I/O Server reboot
Problem Details: If a Virtual I/O server is rebooted, the client fibre channel sees a transport event on its CRQ, which causes it to attempt to reconnect to the CRQ. For a period of time during the VIOS reboot, the client's attempts to register the CRQ will return H_CLOSED, indicating the server side is not currently r...
```diff diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index f033bf39690f..00d08b25425f 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -4302,8 +4302,10 @@ static void ibmvfc_do_work(struct ibmvfc_host *vhost) spin_unlock_irqrestore(vhost->host->host_...
a6751ccb9ba85180c84135cc921eea11d83d5689
Analyze and fix the following issue in the Linux kernel code: [SCSI] qla4xxx: fix build on PPC
Problem Details: We use read/write[bslq] but do not include linux/io.h. This causes build failures on PPC. Include that file. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Stable Tree <stable@kernel.org> Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
```diff diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 5d4a3822382d..449256f2c5f8 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -5,6 +5,7 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ #include <linux/delay.h> +#include <linux/...
f0ad30d3d2dc924decc0e10b1ff6dc32525a5d99
Analyze and fix the following issue in the Linux kernel code: [SCSI] libsas: fix NCQ mixing with non-NCQ
Problem Details: Some cards (like mvsas) have issue troubles if non-NCQ commands are mixed with NCQ ones. Fix this by using the libata default NCQ check routine which waits until all NCQ commands are complete before issuing a non-NCQ one. The impact to cards (like aic94xx) which don't need this logic should be minima...
```diff diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 042153cbbde1..ddbade7beec9 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -347,6 +347,7 @@ static int sas_ata_scr_read(struct ata_link *link, unsigned int sc_reg_in, static struct ata_port_operat...
8b6492231d2a92352a6371eebd622e3bc824a663
Analyze and fix the following issue in the Linux kernel code: intel_mid_dma: fix the WARN_ONs
Problem Details: Moved the WARN_ON to BUG_ON, as WARN_ON if hit, can cause null pointer derefrences Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c index 2ae1086b9481..ef7ffb813fe9 100644 --- a/drivers/dma/intel_mid_dma.c +++ b/drivers/dma/intel_mid_dma.c @@ -581,15 +581,15 @@ static struct dma_async_tx_descriptor *intel_mid_dma_prep_memcpy( enum intel_mid_dma_width width = 0; pr_...
819504f4861a5bc1e25c82409956388bb79fb635
Analyze and fix the following issue in the Linux kernel code: DMAENGINE: ste_dma40: fix resource leaks in error paths.
Problem Details: Fix some leaks of allocated descriptors in error paths. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 554e2942667c..c07d989f26d7 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -1728,6 +1728,8 @@ struct dma_async_tx_descriptor *stedma40_memcpy_sg(struct dma_chan *chan, return &d40d->txd; err: + if (d40d) + d40_desc_...
a2c15fa4c122558472f8041515072218c8652c7e
Analyze and fix the following issue in the Linux kernel code: DMAENGINE: ste_dma40: fix desc_get
Problem Details: Fix desc_get to alloc a descriptor from the cache if the ones in the list are waiting for the ack. Also, memzero the descriptor when allocated from the list to ensure all fields are cleared. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com...
```diff diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 8596c318114b..554e2942667c 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -419,24 +419,29 @@ static void d40_desc_remove(struct d40_desc *d40d) static struct d40_desc *d40_desc_get(struct d40_chan *d40c) { - struct d...
c6134c967c5b8b5986371de335fa4ec39de268bc
Analyze and fix the following issue in the Linux kernel code: DMAENGINE: ste_dma40: fix clk_get failure path
Problem Details: clk_get returns an ERR_PTR. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
```diff diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 2f73e366111e..8596c318114b 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2636,7 +2636,7 @@ static struct d40_base * __init d40_hw_detect_init(struct platform_device *pdev) return base; failure: - if (clk) { + if (...
f57b407cfd5fbd70251e9fa0ea7aa083ac06d25c
Analyze and fix the following issue in the Linux kernel code: DMAENGINE: ste_dma40: fix disabled channels list
Problem Details: The value in the array, not the index, specifies the channel to be disabled. Acked-by: Jonas Aaberg <jonas.aberg@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com...
```diff diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 05d0a9937617..2f73e366111e 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2449,9 +2449,11 @@ static int __init d40_phy_res_init(struct d40_base *base) /* Mark disabled channels as occupied */ for (i = 0; base->pla...
27b3d80a7b6adcf069b5e869e4efcc3a79f88a91
Analyze and fix the following issue in the Linux kernel code: sysctl: fix min/max handling in __do_proc_doulongvec_minmax()
Problem Details: When proc_doulongvec_minmax() is used with an array of longs, and no min/max check requested (.extra1 or .extra2 being NULL), we dereference a NULL pointer for the second element of the array. Noticed while doing some changes in network stack for the "16TB problem" Fix is to not change min & max poin...
```diff diff --git a/kernel/sysctl.c b/kernel/sysctl.c index f88552c6d227..3a45c224770f 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2485,7 +2485,7 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int kbuf[left] = 0; } - for (; left && vleft--; i++, min++, max++, first=0) ...
ad4ca5f4b70236dab5e457ff6567d36f75d2e7c5
Analyze and fix the following issue in the Linux kernel code: memcg: fix thresholds with use_hierarchy == 1
Problem Details: We need to check parent's thresholds if parent has use_hierarchy == 1 to be sure that parent's threshold events will be triggered even if parent itself is not active (no MEM_CGROUP_EVENTS). Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name> Reviewed-by: Daisuke Nishimura <nishimura@mxp.nes.nec.c...
```diff diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 3eed583895a6..9be3cf8a5da4 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3587,9 +3587,13 @@ unlock: static void mem_cgroup_threshold(struct mem_cgroup *memcg) { - __mem_cgroup_threshold(memcg, false); - if (do_swap_account) - __mem_cgroup_thresh...
f241e6607b5a5aefa23c652dbe947b7465633984
Analyze and fix the following issue in the Linux kernel code: mm: alloc_large_system_hash() printk overflow on 16TB boot
Problem Details: During boot of a 16TB system, the following is printed: Dentry cache hash table entries: -2147483648 (order: 22, 17179869184 bytes) Signed-off-by: Robin Holt <holt@sgi.com> Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus T...
```diff diff --git a/mm/page_alloc.c b/mm/page_alloc.c index a8cfa9cc6e86..f12ad1836abe 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5182,9 +5182,9 @@ void *__init alloc_large_system_hash(const char *tablename, if (!table) panic("Failed to allocate %s hash table\n", tablename); - printk(KERN_INFO "%s h...
15a6321d1c0f8db561932cd99e1b9897981da71f
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: Fix hw reset failure with HTC driver
Problem Details: The following commit removed DISABLE_REGWRITE_BUFFER ops. The unnecessary REGWRITE_BUFFER_FLUSH was not removed properly which is causing failure on hw reset. Author: Felix Fietkau <nbd@openwrt.org> Date: Tue Oct 5 12:03:42 2010 +0200 ath9k_hw: clean up register write buffering Signed-off-by: ...
```diff diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index e5784595bd0f..8c13479b17cd 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -491,8 +491,6 @@ bool ath9k_hw_resettxqueue(struct ath_hw *ah, u32 q) REG_WRITE(ah, AR_DMISC...
43b19952de54b0fccfcdc5968891ebe550367fe8
Analyze and fix the following issue in the Linux kernel code: nl80211: use new genl helpers for WDS
Problem Details: Bill Jordan's patch to allow setting the WDS peer crossed with my patch removing all the boilerplate code in nl80211, and consequently he didn't make use of it yet. Fix that. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 524f55402838..4fed1663aba3 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -876,48 +876,25 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) static int nl80211_set_wds_peer(struct sk_buff *skb,...
7b99a7c2dab7efe7c265b66fedbf3444958ebfe3
Analyze and fix the following issue in the Linux kernel code: mac80211: fix sw scan locking
Problem Details: The recent scan overhaul broke locking because now we can jump to code that attempts to unlock, while we don't have the mutex held. Fix this by holding the mutex around all the relevant code. Reported-by: Ben Greear <greearb@candelatech.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signe...
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 523db930dabb..fb274db77e3c 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -681,8 +681,6 @@ void ieee80211_scan_work(struct work_struct *work) goto out_complete; } - mutex_unlock(&local->mtx); - /* * as long as no delay is re...
e5971bbc1caf0ccbab3fea74fe37abb649d1c7cf
Analyze and fix the following issue in the Linux kernel code: leds: leds-ns2: fix private driver data storage
Problem Details: dev_set_drvdata() can't be used to set the driver private data pointer. This would overwrite the led classdev object previously registered by led_classdev_register(). Note that despite this mistake, the driver work fine because led_dat and led_dat->cdev are at the same memory address. Signed-off-by: ...
```diff diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c index 350eb34f049c..f77d48d0b3e4 100644 --- a/drivers/leds/leds-ns2.c +++ b/drivers/leds/leds-ns2.c @@ -141,10 +141,12 @@ static ssize_t ns2_led_sata_store(struct device *dev, struct device_attribute *attr, const char *buff, size_t cou...
cb809b1a5ebffca8cf0314b788919989e8e4ab5f
Analyze and fix the following issue in the Linux kernel code: AT91: fix use of clock disable on idle for AT91x40 devices
Problem Details: The simpler AT91x40 processors do not have the same power management controller as the new AT91 devices. They do have a simpler power controller module that we can use to disable the CPU clock at idle time. Add code to support that. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Jean-Christo...
```diff diff --git a/arch/arm/mach-at91/include/mach/at91x40.h b/arch/arm/mach-at91/include/mach/at91x40.h index d34cdb8abdca..063ac44a0204 100644 --- a/arch/arm/mach-at91/include/mach/at91x40.h +++ b/arch/arm/mach-at91/include/mach/at91x40.h @@ -52,4 +52,10 @@ #define AT91_DBGU_CIDR (AT91_SF + 0) /* CIDR in PS segmen...
6506cf6ce68d78a5470a8360c965dafe8e4b78e3
Analyze and fix the following issue in the Linux kernel code: sched: fix RCU lockdep splat from task_group()
Problem Details: This addresses the following RCU lockdep splat: [0.051203] CPU0: AMD QEMU Virtual CPU version 0.12.4 stepping 03 [0.052999] lockdep: fixing up alternatives. [0.054105] [0.054106] =================================================== [0.054999] [ INFO: suspicious rcu_dereference_check() usage. ] [0.05499...
```diff diff --git a/kernel/sched.c b/kernel/sched.c index dc85ceb90832..ae8f75a5ceb4 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5337,7 +5337,19 @@ void __cpuinit init_idle(struct task_struct *idle, int cpu) idle->se.exec_start = sched_clock(); cpumask_copy(&idle->cpus_allowed, cpumask_of(cpu)); + /* + ...
b0a0f667a349247bd7f05f806b662a25653822bc
Analyze and fix the following issue in the Linux kernel code: sched: suppress RCU lockdep splat in task_fork_fair
Problem Details: > =================================================== > [ INFO: suspicious rcu_dereference_check() usage. ] > --------------------------------------------------- > /home/greearb/git/linux.wireless-testing/kernel/sched.c:618 invoked rcu_dereference_check() without protection! > > other info that might h...
```diff diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index db3f674ca49d..5f996d36ac5d 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -3751,8 +3751,11 @@ static void task_fork_fair(struct task_struct *p) update_rq_clock(rq); - if (unlikely(task_cpu(p) != this_cpu)) + if (unlikely(task_cpu(...
b3164c71e27e58ef1c0b679e816d643cc1a1553e
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: bug fix - connection status report
Problem Details: Added connection status report for the case connection fails. Originally this logic was missing. Signed-off-by: Nohee Ko <noheek@broadcom.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c index 0c5d5cf29fc3..896a6fd08e01 100644 --- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c @@ -142,7 +142,8 @@ static int32 wl_notify_roamin...
3ba2e4939d1d0426466de755a2435d2cbb311f8e
Analyze and fix the following issue in the Linux kernel code: staging: iio: adc: ad799x drop in_precision in favor of new in_type
Problem Details: -drop in_precision in favor of new in_type - This also fixes the bug from the scan elements move (as a side effect) -add sign and storagebits to struct ad799x_chip_info -properly mask the results based on ad799x_chip_info:bits staging: iio: adc: ad799x misc fixed per iio list review remove new line r...
```diff diff --git a/drivers/staging/iio/adc/ad799x.h b/drivers/staging/iio/adc/ad799x.h index 23259290ce45..81a20d524b77 100644 --- a/drivers/staging/iio/adc/ad799x.h +++ b/drivers/staging/iio/adc/ad799x.h @@ -13,7 +13,7 @@ #define _AD799X_H_ #define AD799X_CHANNEL_SHIFT 4 - +#define AD799X_STORAGEBITS 16 /*...
a7861ff082fe75fd7d7fd22c87c37c8425674ae2
Analyze and fix the following issue in the Linux kernel code: staging: iio: max1363 fix bug due to scan_element directory move.
Problem Details: The device found passed to the attr functions is that of the ring buffer, not the the iio_dev so we need to bounce through one more hop to get the right address. Reported-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-...
```diff diff --git a/drivers/staging/iio/adc/max1363_core.c b/drivers/staging/iio/adc/max1363_core.c index 06c602467c6e..dde097afb430 100644 --- a/drivers/staging/iio/adc/max1363_core.c +++ b/drivers/staging/iio/adc/max1363_core.c @@ -151,7 +151,8 @@ static ssize_t max1363_show_precision_u(struct device *dev, stru...
7aa3baeb976700971acad518b3bfaad5fe1afd54
Analyze and fix the following issue in the Linux kernel code: staging: iio: sca3000 fix bug due to scan_element directory move.
Problem Details: The device found passed to the attr functions is that of the ring buffer, not the the iio_dev so we need to bounce through one more hop to get the right address. Reported-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Michael Hennerich ...
```diff diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c index 8186d2b2cf4f..c872fddfb2bf 100644 --- a/drivers/staging/iio/accel/sca3000_ring.c +++ b/drivers/staging/iio/accel/sca3000_ring.c @@ -138,7 +138,8 @@ static ssize_t sca3000_show_ring_bpse(struct device *dev, { ...
0986452eb49771378f1cabee46c789acb088494c
Analyze and fix the following issue in the Linux kernel code: staging: iio: timestamp_en naming typo fix.
Problem Details: Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h index abd52ea93a7b..6975722616fa 100644 --- a/drivers/staging/iio/ring_generic.h +++ b/drivers/staging/iio/ring_generic.h @@ -276,7 +276,7 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, **/ ...
1144182a8757f2a1f909f0c592898aaaf80884fc
Analyze and fix the following issue in the Linux kernel code: net: suppress RCU lockdep false positive in sock_update_classid
Problem Details: > =================================================== > [ INFO: suspicious rcu_dereference_check() usage. ] > --------------------------------------------------- > include/linux/cgroup.h:542 invoked rcu_dereference_check() without protection! > > other info that might help us debug this: > > > rcu_sche...
```diff diff --git a/net/core/sock.c b/net/core/sock.c index ef30e9d286e7..7d99e13148e6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1078,8 +1078,11 @@ static void sk_prot_free(struct proto *prot, struct sock *sk) #ifdef CONFIG_CGROUPS void sock_update_classid(struct sock *sk) { - u32 classid = task_cls_cl...
d91f2438d881514e4a923fd786dbd94b764a9440
Analyze and fix the following issue in the Linux kernel code: ceph: update issue_seq on cap grant
Problem Details: We need to update the issue_seq on any grant operation, be it via an MDS reply or a separate grant message. The update in the grant path was missing. This broke cap release for inodes in which the MDS sent an explicit grant message that was not soon after followed by a successful MDS reply on the sam...
```diff diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 97de325a49f8..5e9da996a151 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -2283,7 +2283,8 @@ static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant, { struct ceph_inode_info *ci = ceph_inode(inode); int mds = session->s_mds; - i...
92923dcbfcad107b0e0469f579a2455729ccf10e
Analyze and fix the following issue in the Linux kernel code: ceph: Fix return value of encode_fh function
Problem Details: encode_fh function should return 255 on error as done by other file system to indicate EOVERFLOW. Also max_len is in sizeof(u32) units and not in bytes. Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Sage Weil <sage@newdream.net>
```diff diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 4480cb1c63e7..387c5823944e 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -42,32 +42,34 @@ struct ceph_nfs_confh { static int ceph_encode_fh(struct dentry *dentry, u32 *rawfh, int *max_len, int connectable) { + int type; struct ceph_nfs_f...
936aeb5c4a9fa799abd7d630a94223acedcaad50
Analyze and fix the following issue in the Linux kernel code: ceph: fix list_add usage on unsafe_writes list
Problem Details: Fix argument order. Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com> Signed-off-by: Sage Weil <sage@newdream.net>
```diff diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 8c044a4f0457..66e4da6dba22 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -697,7 +697,7 @@ more: * start_request so that a tid has been assigned. */ spin_lock(&ci->i_unsafe_lock); - list_add(&ci->i_unsafe_writes, &req->r_unsafe_item); + l...
a337fdac7a5622d1e6547f4b476c14dfe5a2c892
Analyze and fix the following issue in the Linux kernel code: HWPOISON: Copy si_addr_lsb to user
Problem Details: The original hwpoison code added a new siginfo field si_addr_lsb to pass the granuality of the fault address to user space. Unfortunately this field was never copied to user space. Fix this here. I added explicit checks for the MCEERR codes to avoid having to patch all potential callers to initialize ...
```diff diff --git a/kernel/signal.c b/kernel/signal.c index bded65187780..919562c3d6b7 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2214,6 +2214,14 @@ int copy_siginfo_to_user(siginfo_t __user *to, siginfo_t *from) err |= __put_user(from->si_addr, &to->si_addr); #ifdef __ARCH_SI_TRAPNO err |= __put_us...
67159813127309c1a65d86e40fa0368241fa668c
Analyze and fix the following issue in the Linux kernel code: page-types.c: fix name of unpoison interface
Problem Details: The page-types utility still uses an out of date name for the unpoison interface: debugfs:hwpoison/renew-pfn This patch renames and fixes it. Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com>
```diff diff --git a/Documentation/vm/page-types.c b/Documentation/vm/page-types.c index ccd951fa94ee..cc96ee2666f2 100644 --- a/Documentation/vm/page-types.c +++ b/Documentation/vm/page-types.c @@ -478,7 +478,7 @@ static void prepare_hwpoison_fd(void) } if (opt_unpoison && !hwpoison_forget_fd) { - sprintf(buf, ...
430c62fb2948d964cf8dc7f3e2f69623c04ef62f
Analyze and fix the following issue in the Linux kernel code: elevator: fix oops on early call to elevator_change()
Problem Details: 2.6.36 introduces an API for drivers to switch the IO scheduler instead of manually calling the elevator exit and init functions. This API was added since q->elevator must be cleared in between those two calls. And since we already have this functionality directly from use by the sysfs interface to swi...
```diff diff --git a/block/elevator.c b/block/elevator.c index 205b09a5bd9e..4e11559aa2b0 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -938,6 +938,7 @@ int elv_register_queue(struct request_queue *q) } } kobject_uevent(&e->kobj, KOBJ_ADD); + e->registered = 1; } return error; } @@ -947,6 +948...
9c6d5e5537e3997c47b65925a235392c1968fb51
Analyze and fix the following issue in the Linux kernel code: TCP: Fix setting of snd_ssthresh in tcp_mtu_probe_success
Problem Details: This looks like a simple typo that has gone unnoticed for some time. The impact is relatively low but it's clearly wrong. Signed-off-by: John Heffner <johnwheffner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index f6fdd727a23d..e4fbdae066d5 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -2874,7 +2874,7 @@ static void tcp_mtup_probe_success(struct sock *sk) icsk->icsk_mtup.probe_size; tp->snd_cwnd_cnt = 0; tp->snd_cwnd_stamp = tc...
081003fff467ea0e727f66d5d435b4f473a789b3
Analyze and fix the following issue in the Linux kernel code: xfs: properly account for reclaimed inodes
Problem Details: When marking an inode reclaimable, a per-AG counter is increased, the inode is tagged reclaimable in its per-AG tree, and, when this is the first reclaimable inode in the AG, the AG entry in the per-mount tree is also tagged. When an inode is finally reclaimed, however, it is only deleted from the per...
```diff diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index d59c4a65d492..81976ffed7d6 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -668,14 +668,11 @@ xfs_inode_set_reclaim_tag( xfs_perag_put(pag); } -void -__xfs_inode_clear_reclaim_tag( - xfs_mount_t *mp, ...
7571ae887d3b96d8e7ce63d43828866c6a91cdc6
Analyze and fix the following issue in the Linux kernel code: md/raid1: avoid overflow in raid1 resync when bitmap is in use.
Problem Details: bitmap_start_sync returns - via a pass-by-reference variable - the number of sectors before we need to check with the bitmap again. Since commit ef4256733506f245 this number can be substantially larger, 2^27 is a common value. Unfortunately it is an 'int' and so when raid1.c:sync_request shifts it 9 p...
```diff diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index ad83a4dcadc3..fba4d2feaeb4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1912,7 +1912,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) b...
d9d9a5194bb96d60fc846c94c602c874802e107d
Analyze and fix the following issue in the Linux kernel code: iwlagn: fix module firmware name for 130 series device
Problem Details: 130 series device should use firmware name with 130 in it. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 43ec8988feb0..b448b03ae6d7 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -78,8 +78,8 @@ #define IWL6000G2B_MODULE_FIRMWARE(api) _IWL6000G2B_MODULE_FIRMWAR...
c2bff63fad94eeecf59e4ba8e4cb51688ccae1ec
Analyze and fix the following issue in the Linux kernel code: bnx2x, cnic: Fix SPQ return credit
Problem Details: Return proper L2 and L5 SPQ (slow path queue) credits. Previously, all SPQ events were counted as L5 types. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@...
```diff diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 2998969beacc..68181cdd2096 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -1369,19 +1369,6 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bnx2x_set_eth_mac(bp, 1); -#ifdef BCM_CNIC -...
3207390a8b58bfc1335750f91cf6783c48ca19ca
Analyze and fix the following issue in the Linux kernel code: cfg80211: fix BSS double-unlinking
Problem Details: When multiple interfaces are actively trying to associate with the same BSS, they may both find that the BSS isn't there and then try to unlink it. This can cause errors since the unlinking code can't currently deal with items that have already been unlinked. Normally this doesn't happen as most peopl...
```diff diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 5ca8c7180141..503ebb86ba18 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -650,14 +650,14 @@ void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) bss = container_of(pub, struct cfg80211_internal_bss, pub); spin_...
3aed49ef17c7bc8397420529ac976fe058818e3d
Analyze and fix the following issue in the Linux kernel code: mac80211: compete scan to cfg80211 if deferred scan fail to start
Problem Details: We nulify local->scan_req on failure in __ieee80211_start_scan, so __ieee80211_scan_completed will not call cfg80211_scan_done. Fix that. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 9aab921f7ca8..80e017df5f31 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -665,6 +665,8 @@ void ieee80211_scan_work(struct work_struct *work) rc = __ieee80211_start_scan(sdata, req); if (rc) { + /* need to complete scan in cfg...
4136c4224ccf1907d309e1cdfaefef9da97dbc5e
Analyze and fix the following issue in the Linux kernel code: mac80211: assure we also cancel deferred scan request
Problem Details: This is partial revert and fix for commit 85f72bc839705294b32b6c16b491c0422f0a71b3 "mac80211: only cancel software-based scans on suspend" When cfg80211 request the scan and mac80211 perform some management work, we defer the scan request. We do not canceling such requests when calling ieee80211_scan_...
```diff diff --git a/net/mac80211/main.c b/net/mac80211/main.c index e3717092115f..915ecf87e4ac 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -307,8 +307,7 @@ static void ieee80211_restart_work(struct work_struct *work) mutex_unlock(&local->mtx); rtnl_lock(); - if (unlikely(test_bit(SCAN_SW_SCANNI...
e229f844d7223b7063bea1e649203ac521a58fe1
Analyze and fix the following issue in the Linux kernel code: mac80211: keep lock when calling __ieee80211_scan_completed()
Problem Details: We are taking local->mtx inside __ieee80211_scan_completed(), but just before call to that function we drop the lock. Dropping/taking lock is not good, because can lead to hard to understand race conditions. Patch split scan_completed() code into two functions, first must be called with local->mtx tak...
```diff diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 830c02bc398a..6964a4598176 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -249,12 +249,12 @@ static bool ieee80211_prep_hw_scan(struct ieee80211_local *local) return true; } -static void __ieee80211_scan_completed(struct ieee80211_...
d537f5fdfcc9c57c1e3b9fb316a4bed2bf7597e7
Analyze and fix the following issue in the Linux kernel code: nl80211: fix error in generic netif_running check
Problem Details: Yikes! The error return keeps a netdev reference and the rdev mutex locked, fix that! Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 8826888cc14e..9942f0b061ff 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4418,6 +4418,8 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, } if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_...
95792178a58716a6afaeb5ab9654f1a0f17a5e8e
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: merge ath9k_hw_ani_monitor_old and ath9k_hw_ani_monitor_new
Problem Details: After the last rounds of cleanup, these functions are now functionally equivalent and can thus be merged. Also get rid of some excessive (and redundant) debug messages. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
```diff diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index b9595647810a..f2a907b4acb8 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -730,40 +730,7 @@ static void ath9k_hw_ani_read_counters(struct ath_hw *ah) } -static voi...
293277215636e1586fcf6386b0b64457c6dfdb68
Analyze and fix the following issue in the Linux kernel code: RDMA/nes: Report correct port state if interface is down
Problem Details: With commit cd6860eb ("RDMA/nes: Fix hangs on ifdown") we no longer remove nes interfaces on ifdown. On nes_query_port(), add an additional check of the netdev queue and report IB_PORT_DOWN if the queue is not running. Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier ...
```diff diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index b89972c6a357..2374efbdda6b 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -584,7 +584,9 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_por...
44271488b91c9eecf249e075a1805dd887e222d2
Analyze and fix the following issue in the Linux kernel code: mac80211: delete AddBA response timer
Problem Details: We never delete the addBA response timer, which is typically fine, but if the station it belongs to is deleted very quickly after starting the BA session, before the peer had a chance to reply, the timer may fire after the station struct has been freed already. Therefore, we need to delete the timer in...
```diff diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index c893f236acea..8f23401832b7 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -175,6 +175,8 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, set_bit(HT_AGG_STATE_STOPPING, &tid_tx->state); + del_timer_sync...
918df629d6a558ab9eb53350493f618812239a4c
Analyze and fix the following issue in the Linux kernel code: ath9k_hw: fix regression in ANI listen time calculation
Problem Details: wireless-testing commit 37e5bf6535a4d697fb9fa6f268a8354a612cbc00 Author: Luis R. Rodriguez <lrodriguez@atheros.com> Date: Sat Jun 12 00:33:40 2010 -0400 ath9k_hw: fix clock rate calculations for ANI This commit accidentally broke clock rate calculation by doubling the calculated clock rat...
```diff diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c index cc648b6ae31c..a3d95cca8f0c 100644 --- a/drivers/net/wireless/ath/ath9k/ani.c +++ b/drivers/net/wireless/ath/ath9k/ani.c @@ -543,7 +543,7 @@ static u8 ath9k_hw_chan_2_clockrate_mhz(struct ath_hw *ah) if (conf_is_ht40...
625fbd3a36d836efaaee4b6d9c2fcd25e3654624
Analyze and fix the following issue in the Linux kernel code: IB/ehca: Fix driver on relocatable kernel
Problem Details: the eHCA driver registers a MR for all of kernel memory, but makes the assumption that valid memory exists at KERNELBASE. This assumption may not be true in the case of a relocatable kernel, so use KERNELBASE + PHYSICAL_START to get the true beginning of usable kernel memory. cc: Joachim Fenkes <fenk...
```diff diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index 53f4cd4fc19a..43cae84005f0 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -171,7 +171,7 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags) ...
92a5bbc11ff2442a54b2f1d313088c245828ef4e
Analyze and fix the following issue in the Linux kernel code: SLUB: Fix memory hotplug with !NUMA
Problem Details: This patch fixes the following build breakage when memory hotplug is enabled on UMA configurations: /home/test/linux-2.6/mm/slub.c: In function 'kmem_cache_init': /home/test/linux-2.6/mm/slub.c:3031:2: error: 'slab_memory_callback' undeclared (first use in this function) /home/test/linux-2.6/m...
```diff diff --git a/mm/slub.c b/mm/slub.c index fe536d3474d6..8fd5401bb071 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2851,7 +2851,7 @@ int kmem_cache_shrink(struct kmem_cache *s) } EXPORT_SYMBOL(kmem_cache_shrink); -#if defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG) +#if defined(CONFIG_MEMORY_HOTPLUG) st...
06c7a489a97fce99fd86611f6f32e565e686e5d8
Analyze and fix the following issue in the Linux kernel code: sh: Fix up the SH-3 build.
Problem Details: SH-3 lacks an MMUCR_TI definition for global TLB flushes. As SH-3 parts lack a split TLB, the same global flush behaviour is accomplished through the flush bit, which just happens to be the same as on SH-4. This fixes up the build for all SH-3 MMU parts. Signed-off-by: Paul Mundt <lethal@linux-sh.org...
```diff diff --git a/arch/sh/include/cpu-sh3/cpu/mmu_context.h b/arch/sh/include/cpu-sh3/cpu/mmu_context.h index ab09da73ce77..0c7c735ea82a 100644 --- a/arch/sh/include/cpu-sh3/cpu/mmu_context.h +++ b/arch/sh/include/cpu-sh3/cpu/mmu_context.h @@ -16,6 +16,7 @@ #define MMU_TEA 0xFFFFFFFC /* TLB Exception Address */ ...
c9928f7040a6e5f39e028bea500e0fde910d4a96
Analyze and fix the following issue in the Linux kernel code: ntlm authentication and signing - Correct response length for ntlmv2 authentication without extended security
Problem Details: Fix incorrect calculation of case sensitive response length in the ntlmv2 (without extended security) response. Signed-off-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index af18a500f7e0..c926e6c7c0c6 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -739,9 +739,6 @@ ssetup_ntlmssp_authenticate: pSMB->req_no_secext.CaseInsensitivePasswordLength = 0; /* cpu_to_le16(LM2_SESS_KEY_SIZE); */ - pSMB->req_no_secext.CaseSensitiv...
29e07c82a9e8acebbb38ecc22b0b5005a0a5d839
Analyze and fix the following issue in the Linux kernel code: cifs: fix cifs_show_options to show "username=" or "multiuser"
Problem Details: ...based on CIFS_MOUNT_MULTIUSER flag. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index b2fd075dc2e6..c96345c3314d 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -369,8 +369,12 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr; seq_printf(s, ",unc=%s", tcon->tre...
aecac19179180b7d6cda13f598e314c0870aee80
Analyze and fix the following issue in the Linux kernel code: staging: iio: adc: ad799x: Address iio list feedback
Problem Details: Address feedback from Shubhrajyoti Datta: Cast return value Michael Hennerich: Use i2c_smbus_read_byte_data() Fix return value check Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/adc/ad799x_core.c b/drivers/staging/iio/adc/ad799x_core.c index dca3f2ae6a14..25898563aae8 100644 --- a/drivers/staging/iio/adc/ad799x_core.c +++ b/drivers/staging/iio/adc/ad799x_core.c @@ -65,13 +65,13 @@ static int ad799x_i2c_read8(struct ad799x_state *st, u8 reg, u8 *data) ...
e1517c00da6d35911b6451f886d55e22d56393ad
Analyze and fix the following issue in the Linux kernel code: staging: iio: adc: max1363: prevent buffer overflow
Problem Details: ring->access.read_last() reads the entire datum from the ring including padding and time stamp. Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/adc/max1363_ring.c b/drivers/staging/iio/adc/max1363_ring.c index 1d6ce54e9a86..896a3672b332 100644 --- a/drivers/staging/iio/adc/max1363_ring.c +++ b/drivers/staging/iio/adc/max1363_ring.c @@ -38,9 +38,8 @@ int max1363_single_channel_from_ring(long mask, struct max1363_state *s...
858f1ccff123469fb4257e2529ef8783aabf3b62
Analyze and fix the following issue in the Linux kernel code: staging: iio: adc: ad799x: prevent buffer overflow
Problem Details: ring->access.read_last() reads the entire datum from the ring including padding and time stamp. Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/iio/adc/ad799x_ring.c b/drivers/staging/iio/adc/ad799x_ring.c index 0f2041ab4b19..d0217f8a68df 100644 --- a/drivers/staging/iio/adc/ad799x_ring.c +++ b/drivers/staging/iio/adc/ad799x_ring.c @@ -29,28 +29,26 @@ int ad799x_single_channel_from_ring(struct ad799x_state *st, long mask...
5a505da957fc2f42ce53e5b0234cdf493f4f3ab0
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: fix checkpatch macro errors.
Problem Details: Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/bcmutils.c b/drivers/staging/brcm80211/brcmfmac/bcmutils.c index 68b57099a154..7185943a3b41 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmutils.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmutils.c @@ -1085,7 +1085,7 @@ static const u8 crc8_table[256] = { };...
e9887c9d9c37b8af80ae04aad1532d5c46687f8b
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: fix various checkpatch spacing errors.
Problem Details: Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 9caf785cc468..b013a65203cf 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -985,7 +985,8 @@ sdioh_request_packet(sdio...
5f782dee8d58247f2a277f142a59c227fd0b500e
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: fix 'do not init statics to 0 or NULL'
Problem Details: Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c index f81823ebeb10..0301c1f7e3f3 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c @@ -70,7 +70,7 @@ struct bcmsdh_hc { spinlo...
6998d33795b921c6c62dde5a0820242da40e3020
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: fix 'do not init globals to 0 or NULL'
Problem Details: Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c index fec8890c4f99..bbd03cd5695a 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh.c @@ -43,7 +43,7 @@ struct bcmsdh_info { uint32 sbwad; /* Save backp...
81e95f9d4ef8e51195568d44d45b3c98ce8bd271
Analyze and fix the following issue in the Linux kernel code: staging: brcm80211: brcmfmac/*: fix remaining 'assignment in if condition'
Problem Details: Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c index 453841fe72ed..f81823ebeb10 100644 --- a/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c +++ b/drivers/staging/brcm80211/brcmfmac/bcmsdh_linux.c @@ -190,11 +190,13 @@ int bcmsdh_probe(struct...
a8029bb79ec6de4acab5a6d3b931990152e8d5c1
Analyze and fix the following issue in the Linux kernel code: iwlwifi: remove uncorrect comments
Problem Details: some structure belong to _agn devices, not just 5000. Fix it. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
```diff diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h index 16dda2dce615..953e536fe072 100644 --- a/drivers/net/wireless/iwlwifi/iwl-commands.h +++ b/drivers/net/wireless/iwlwifi/iwl-commands.h @@ -1042,7 +1042,7 @@ struct iwl4965_keyinfo { u8 key[16]; /* 16-b...
ab4d5ed5eeda4f57c50d14131ce1b1da75d0c938
Analyze and fix the following issue in the Linux kernel code: slub: Enable sysfs support for !CONFIG_SLUB_DEBUG
Problem Details: Currently disabling CONFIG_SLUB_DEBUG also disabled SYSFS support meaning that the slabs cannot be tuned without DEBUG. Make SYSFS support independent of CONFIG_SLUB_DEBUG Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
```diff diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index b33c0f2e61dc..e4f5ed180b9b 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -87,7 +87,7 @@ struct kmem_cache { unsigned long min_partial; const char *name; /* Name (only for display!) */ struct list_head list; /*...
15b7c5142049e7efc3071280e1370dc3b8add6f5
Analyze and fix the following issue in the Linux kernel code: SLUB: Optimize slab_free() debug check
Problem Details: This patch optimizes slab_free() debug check to use "c->node != NUMA_NO_NODE" instead of "c->node >= 0" because the former generates smaller code on x86-64: Before: 4736: 48 39 70 08 cmp %rsi,0x8(%rax) 473a: 75 26 jne 4762 <kfree+0xa2> 473...
```diff diff --git a/mm/slub.c b/mm/slub.c index 9f121c10184f..a018019aa91d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1718,7 +1718,7 @@ debug: c->page->inuse++; c->page->freelist = get_freepointer(s, object); - c->node = -1; + c->node = NUMA_NO_NODE; goto unlock_out; } @@ -1895,7 +1895,7 @@ static __always_...
353f867b5536e55e46801562987d605778cf262b
Analyze and fix the following issue in the Linux kernel code: ds2782_battery: Fix units
Problem Details: Correct the unit names in the ds2782 battery driver. Changes voltage_uA to voltage_uV and capacity_uA to capacity. Signed-off-by: Ryan Mallon <ryan@bluewatersys.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Yuli...
```diff diff --git a/drivers/power/ds2782_battery.c b/drivers/power/ds2782_battery.c index 84d3c43cf2bc..6957e8af6449 100644 --- a/drivers/power/ds2782_battery.c +++ b/drivers/power/ds2782_battery.c @@ -44,8 +44,8 @@ struct ds278x_info; struct ds278x_battery_ops { int (*get_battery_current)(struct ds278x_info *inf...
46f12936fd2945ffaf774e728fe5044f06ed5574
Analyze and fix the following issue in the Linux kernel code: sh: fix an ms7724se compile breakage
Problem Details: Fix a compile breakage, caused by my own careless copy-paste. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 3099c36759ad..fe208d6c8ed0 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -148,14 +148,14 @@ const static struct fb_videomode lcdc_720p_modes[] = { { .name = "LB070WV...
e42dee9a99a3ecd32b5c027e8f7411fb5bc11eb6
Analyze and fix the following issue in the Linux kernel code: HID: hidraw, fix a NULL pointer dereference in hidraw_write
Problem Details: BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 IP: [<ffffffffa0f0a625>] hidraw_write+0x3b/0x116 [hid] [...] This is reproducible by disconnecting the device while userspace writes to dev node in a loop and doesn't check return values in order to exit the loop. Signed-off-by...
```diff diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 9eaf6ae5f97f..a3866b5c0c43 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -109,6 +109,12 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t int ret = 0; mutex_lock(&minors_lock); + + if (!hidra...
d20d5ffab92f00188f360c44c791a5ffb988247c
Analyze and fix the following issue in the Linux kernel code: HID: hidraw, fix a NULL pointer dereference in hidraw_ioctl
Problem Details: BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 IP: [<ffffffffa02c66b4>] hidraw_ioctl+0xfc/0x32c [hid] [...] This is reproducible by disconnecting the device while userspace does ioctl in a loop and doesn't check return values in order to exit the loop. Signed-off-by: Antoni...
```diff diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 47d70c523d93..9eaf6ae5f97f 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -244,6 +244,10 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, mutex_lock(&minors_lock); dev = hidraw_table[minor]; + if (!dev) { + re...
134669854e3a680d8aad9a4047891c653715f4c0
Analyze and fix the following issue in the Linux kernel code: GFS2: Fix type mapping for demote_rq interface
Problem Details: Mostly the glock operations follow the type of the glock. The one exception is the transaction glock, so we need to check for that directly. Reported-by: Dr. David Alan Gilbert <linux@treblig.org> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
```diff diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index 621d80e8fb2a..0d149dcc04e5 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -452,7 +452,6 @@ const struct gfs2_glock_operations *gfs2_glops_list[] = { [LM_TYPE_META] = &gfs2_meta_glops, [LM_TYPE_INODE] = &gfs2_inode_glops, [LM_TYPE_RGRP] = &gfs2_rg...
901c28c257eb8903a7d66c900df163e2c13ca995
Analyze and fix the following issue in the Linux kernel code: sh: Fix address calculation of Initrd
Problem Details: Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c index f24d0ea8be2d..4e278467f76c 100644 --- a/arch/sh/kernel/setup.c +++ b/arch/sh/kernel/setup.c @@ -135,8 +135,9 @@ void __init check_for_initrd(void) goto disable; } - if (unlikely(start < PAGE_OFFSET)) { - pr_err("initrd start < PAGE_OFFSE...
bde40898c814362e8041cad0e989c7a749c417ec
Analyze and fix the following issue in the Linux kernel code: sh: fix uninitialized spinlock
Problem Details: The spinlock in traps_64.c is used without initialization. This fixes it by declaring DEFINE_SPINLOCK() and makes the spinlock static variable. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: linux-sh@vger.kernel.org Signed-off-by: Paul Mundt <lethal@linux...
```diff diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c index e67e140bf1f6..fda6355654b7 100644 --- a/arch/sh/kernel/traps_64.c +++ b/arch/sh/kernel/traps_64.c @@ -50,7 +50,7 @@ asmlinkage void do_##name(unsigned long error_code, struct pt_regs *regs) \ do_unhandled_exception(trapnr, signr, str, __...
6966fed9d8a74f178fc0dabdcc687cb1fe5b75fe
Analyze and fix the following issue in the Linux kernel code: sh: intc: Fix build with IRQ balancing disabled.
Problem Details: The balancing stubs obviously need to be static inline.. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h index f02a47f74930..d49482c623fa 100644 --- a/drivers/sh/intc/internals.h +++ b/drivers/sh/intc/internals.h @@ -143,10 +143,11 @@ void intc_balancing_disable(unsigned int irq); void intc_set_dist_handle(unsigned int irq, struct intc_desc *d...
f1af98c7629a1b76fd7336decbc776acdeed2120
Analyze and fix the following issue in the Linux kernel code: memblock: Fix wraparound in find_region()
Problem Details: When trying to find huge range for crashkernel, get [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: at arch/x86/mm/memblock.c:248 memblock_x86_reserve_range+0x40/0x7a() [ 0.000000] Hardware name: Sun Fire x4800 [ 0.000000] memblock_x86_reserve_range: wrong range [0xff...
```diff diff --git a/mm/memblock.c b/mm/memblock.c index d5d63ac1fd83..9ad39690a2bd 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -105,13 +105,18 @@ static phys_addr_t __init memblock_find_region(phys_addr_t start, phys_addr_t en phys_addr_t base, res_base; long j; + /* In case, huge size is requested */ + if...
9f4c13964b58608fbce05540743281ea3146c0e8
Analyze and fix the following issue in the Linux kernel code: x86, memblock: Fix crashkernel allocation
Problem Details: Cai Qian found crashkernel is broken with the x86 memblock changes. 1. crashkernel=128M@32M always reported that range is used, even if the first kernel is small and does not usethat range 2. we always got following report when using "kexec -p" Could not find a free area of memory of a000 bytes.....
```diff diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index bf89e0a59b88..b11a238b2e35 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -502,6 +502,7 @@ static inline unsigned long long get_total_mem(void) return total << PAGE_SHIFT; } +#define DEFAULT_BZIMAGE_ADDR_MAX 0x37FFF...
e2fa6f2ef6e48666b78d4b0f00914b06bb19d298
Analyze and fix the following issue in the Linux kernel code: bna: fix interrupt handling
Problem Details: This fix handles the case when IRQ handler is called (for shared IRQs) even before the driver is ready to handle interrupts. Signed-off-by: Debashis Dutt <ddutt@brocade.com> Signed-off-by: Rasesh Mody <rmody@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/bna/bnad.c b/drivers/net/bna/bnad.c index e380c0e88f4f..7210c34d2d5b 100644 --- a/drivers/net/bna/bnad.c +++ b/drivers/net/bna/bnad.c @@ -564,9 +564,11 @@ bnad_disable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb) static void bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)...
79315068f4560f3f7bd6e9790190dcb43059770c
Analyze and fix the following issue in the Linux kernel code: caif: fix two caif_connect() bugs
Problem Details: caif_connect() might dereference a netdevice after dev_put() it. It also doesnt check dev_get_by_index() return value and could dereference a NULL pointer. Fix it, using RCU to avoid taking a reference. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Sjur Braendeland <sjur.brandeland@steric...
```diff diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 8ce904786116..4bf28f25f368 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -827,6 +827,7 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr, long timeo; int err; int ifindex, headroom, tailroom; + un...