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978c7b2ff49597ab76ff7529a933bd366941ac25
Analyze and fix the following issue in the Linux kernel code: [XFS] Make xfsbufd threads freezable
Problem Details: Fix breakage caused by commit 831441862956fffa17b9801db37e6ea1650b0f69 that did not introduce the necessary call to set_freezable() in xfs/linux-2.6/xfs_buf.c . SGI-PV: 974224 SGI-Modid: xfs-linux-melb:xfs-kern:30203a Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: David Chinner <dgc@sg...
```diff diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index 43d6c7a290e2..a49dd8d4b069 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -1743,6 +1743,8 @@ xfsbufd( current->flags |= PF_MEMALLOC; + set_freezable(); + do { if (unlikely(freezing(current))) { ...
e89bc612d61edbcefaeb6f2244f86c0f3ec89d23
Analyze and fix the following issue in the Linux kernel code: [XFS] revert to double-buffering readdir
Problem Details: The current readdir implementation deadlocks on a btree buffers locks because nfsd calls back into ->lookup from the filldir callback. The only short-term fix for this is to revert to the old inefficient double-buffering scheme. SGI-PV: 973377 SGI-Modid: xfs-linux-melb:xfs-kern:30201a Signed-off-by: ...
```diff diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index fb8dd34041eb..54c564693d93 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -218,6 +218,15 @@ xfs_vm_fault( } #endif /* CONFIG_XFS_DMAPI */ +/* + * Unfortunately we can't just use the clean and simple r...
a7430847fcb19297d6db833f35b9c9645c4a6395
Analyze and fix the following issue in the Linux kernel code: [XFS] Fix broken inode cluster setup.
Problem Details: The radix tree based inode caches did away with the inode cluster hashes, replacing them with a bunch of masking and gang lookups on the radix tree. This masking got broken when moving the code to per-ag radix trees and indexing by agino # rather than straight inode number. The result is clustered ino...
```diff diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 488836e204a3..fb69ef180b27 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -267,7 +267,7 @@ finish_inode: icl = NULL; if (radix_tree_gang_lookup(&pag->pag_ici_root, (void**)&iq, first_index, 1)) { - if ((iq->i_ino & mask) == first_i...
cd57e594adc624dd9ee4c0ded3949da21ec24b2f
Analyze and fix the following issue in the Linux kernel code: [XFS] 971064 Various fixups for xfs_bulkstat().
Problem Details: - sanity check for NULL user buffer in xfs_ioc_bulkstat[_compat]() - remove the special case for XFS_IOC_FSBULKSTAT with count == 1. This special case causes bulkstat to fail because the special case uses xfs_bulkstat_single() instead of xfs_bulkstat() and the two functions have different semanti...
```diff diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index 2b34bad48b07..98a56568bb24 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -1047,24 +1047,20 @@ xfs_ioc_bulkstat( if ((count = bulkreq.icount) <= 0) return -XFS_ERROR(EINVAL); + if (bulkreq.ubuf...
d757762bf2f6aea954745c76b4d767067b85be9d
Analyze and fix the following issue in the Linux kernel code: [XFS] Fix dbflush panic in xfs_qm_sync.
Problem Details: The recent behaviour layer removal dropped the check for quotas that have been requested at mount time but have subsequently been turned off. This results in a panic when accessing m_quotainfo which has been freed. This patch adds the check originally made by xfs_qm_syncall() to xfs_qm_sync(). SGI-PV...
```diff diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c index b5f91281b707..d488645f833d 100644 --- a/fs/xfs/quota/xfs_qm.c +++ b/fs/xfs/quota/xfs_qm.c @@ -1008,6 +1008,9 @@ xfs_qm_sync( boolean_t nowait; int error; + if (! XFS_IS_QUOTA_ON(mp)) + return 0; + restarts = 0; /* * We won't block u...
18c32dac75b187d1a4e858f3cfdf03e844129f5e
Analyze and fix the following issue in the Linux kernel code: kbuild: fix building with O=.. options
Problem Details: The check introduced in commit: 4f1127e204377cbd2a56d112d323466f668e8334 "kbuild: fix infinite make recursion" caused certain external modules not to build and also caused 'make targz-pkg' to fail. This is a minimal fix so we revert to previous behaviour - but we do not overwrite the Makefile in the t...
```diff diff --git a/Makefile b/Makefile index a5252f451bfd..7fb1a2c08305 100644 --- a/Makefile +++ b/Makefile @@ -118,9 +118,6 @@ saved-output := $(KBUILD_OUTPUT) KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd) $(if $(KBUILD_OUTPUT),, \ $(error output directory "$(saved-output)" does not exist)) -# C...
1cacc9ab8bf10e60b3ed93d7a10b070c4cbc6c9f
Analyze and fix the following issue in the Linux kernel code: kbuild: fix building with redirected output.
Problem Details: Jan Altenberg <jan.altenberg@linutronix.de> reported that building with redirected input like this failed: make O=dir oldconfig bzImage < /dev/null The problem were caused by a make silentoldconfig being run before oldconfig and with a non-recent .config the build failed because silentoldconfig requir...
```diff diff --git a/Makefile b/Makefile index 92dc3cb5f43d..a5252f451bfd 100644 --- a/Makefile +++ b/Makefile @@ -108,6 +108,9 @@ endif PHONY := _all _all: +# Cancel implicit rules on top Makefile +$(CURDIR)/Makefile Makefile: ; + ifneq ($(KBUILD_OUTPUT),) # Invoke a second make in the output directory, passing ...
0f5e49a2e2de69ee05ad8783274b0672247fd18f
Analyze and fix the following issue in the Linux kernel code: [MIPS] Alchemy: Fix Au1x SD controller IRQ
Problem Details: With the introduction of MIPS_CPU_IRQ_BASE, the hardcoded IRQ number of the au1100/au1200 SD controller(s) is no longer valid. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/include/asm-mips/mach-au1x00/au1100_mmc.h b/include/asm-mips/mach-au1x00/au1100_mmc.h index 9e7d1ba21b55..9e0028f60a43 100644 --- a/include/asm-mips/mach-au1x00/au1100_mmc.h +++ b/include/asm-mips/mach-au1x00/au1100_mmc.h @@ -41,8 +41,11 @@ #define NUM_AU1100_MMC_CONTROLLERS 2 - -#define AU110...
03d14a5536cf5611d27a106137a814c8f1135ddd
Analyze and fix the following issue in the Linux kernel code: [ARM] 4690/1: PXA: fix CKEN corruption in PXA27x AC97 cold reset code
Problem Details: Fix CKEN register corruption in the PXA27x cold reset code located in sound/arm/pxa27x-ac97.c. The problem has been introduced with a pxa_set_cken() function change in linux 2.6.23. This patch is based on patch 4527/1 that fixes the same problem in the ASoC PXA-AC97 driver. Additionally a definition fo...
```diff diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index 6b33df6f1995..1bd398da07da 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -1784,6 +1784,7 @@ #define CCCR_M_MASK 0x0060 /* Memory Frequency to Run Mode Frequency Multipli...
a0113a99cc3cd1a63153d11b7fcf9c1a2000df57
Analyze and fix the following issue in the Linux kernel code: [ARM] 4667/1: CM-X270 fixes
Problem Details: Change printk to dev_dbg in ITE 8152 driver and remove printk in ITE 8152 ISR. Move PCI intialization from ->scan to ->preinit method Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index a7e9fea978a6..c4de2d4664d7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -537,7 +537,7 @@ config ISA_DMA_API bool config PCI - bool "PCI support" if ARCH_INTEGRATOR_AP || ARCH_VERSATILE_PB || ARCH_IXP4XX || ARCH_KS8695 + bool "PCI support" if...
a340af14b4c08a53c5f7d821d8bd910e17403384
Analyze and fix the following issue in the Linux kernel code: ACPI: Add autoload info to dock driver
Problem Details: References: https://bugzilla.novell.com/show_bug.cgi?id=302482 Signed-off-by: Thomas Renninger <trenn@novell.com> Signed-off-by: Kay Sievers <kasievers@novell.com> Signed-off-by: Frank Seidel <fseidel@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
```diff diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 1dabdf4c07b3..b3dec2101e2e 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -51,6 +51,12 @@ static struct atomic_notifier_head dock_notifier_list; static struct platform_device *dock_device; static char dock_device_name[] = "dock"; +s...
3620f2f2f39e7870cf1a4fb2e34063a142f28716
Analyze and fix the following issue in the Linux kernel code: ACPI: Fix autloading of dock, video, bay and all linux specific HID drivers
Problem Details: References: https://bugzilla.novell.com/show_bug.cgi?id=302482 Due to the new autloading of acpi drivers, the dock driver wasn't loaded anymore as there is no HID to identify it with (dock is needed if ACPI has a _DCK method). This patch is a workaround for this, original by Thomas Renninger, revised...
```diff diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 5b4d462117cf..bf079265ce7e 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -941,6 +941,15 @@ static int acpi_bay_match(struct acpi_device *device){ return -ENODEV; } +/* + * acpi_dock_match - see if a device has a _DCK method + */ +...
aa0ebec9cfb8a3fab966db75ac21d05a43f312a1
Analyze and fix the following issue in the Linux kernel code: [IA64] Fix iosapic interrupt delivery mode for CPE
Problem Details: If "CPEI Processor Override" bit is not set in "Platform Interrupt Source Flags" in "Platform Interrupt Sources Structure" in ACPI MADT, the target processor of CPEI is restricted to a specific CPU. Because of this, the delivery mode for CPEI should be IOSAPIC_FIXED. Signed-off-by: Kenji Kaneshige <ka...
```diff diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c index 96460ca2b906..398e2fd1cd25 100644 --- a/arch/ia64/kernel/iosapic.c +++ b/arch/ia64/kernel/iosapic.c @@ -925,7 +925,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi, case ACPI_INTERRUPT_CPEI: irq = vector = I...
3661999a17b0397c7a93c200b280c55958ba3593
Analyze and fix the following issue in the Linux kernel code: [IA64] kprobe: make kreturn probe handler stack unwind correct
Problem Details: Restore regs->ccr_iip before kreturn probe handler runs. In this way, if probe handler does unwind, unwind can correctly get the stack trace. Fixes: http://sourceware.org/bugzilla/show_bug.cgi?id=5051 Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
```diff diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 90518e43aba0..fc4d2676264f 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -430,6 +430,23 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) * real return address, and a...
965d747264c91ed206846d74ae09f757a36a373b
Analyze and fix the following issue in the Linux kernel code: [IA64] operator priority fix in acpi_map_lsapic()
Problem Details: '!' has a higher priority than '&', so as was this won't test the first bit, but rather evaluates to false for any non-zero lsapic->lapic_flags. Signed-off-by: Roel Kluin <12o3l@tiscali.nl> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Tony Luck <tony.luck@intel.com>
```diff diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 897e2083a3b1..00b5d08f6da8 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -860,7 +860,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu) lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer; if ((lsapi...
afc2cf35b43ca58bd73b86b2f72af8b9bdb67ab8
Analyze and fix the following issue in the Linux kernel code: [IA64] SGI Altix : fix bug in sn_io_late_init()
Problem Details: When initializing pci_controller->node to point to the closest node we need to take into consideration that a PIC PCI Bridge ASIC can be connected to a headless/memless node just like the TIOCP and TIOCE Bridge ASICs Signed-off-by: Mike Habeck <habeck@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel...
```diff diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c index 4594770e685a..f3250c177650 100644 --- a/arch/ia64/sn/kernel/io_common.c +++ b/arch/ia64/sn/kernel/io_common.c @@ -545,19 +545,18 @@ sn_io_late_init(void) nasid = NASID_GET(bussoft->bs_base); cnode = nasid_to_cnodeid(nasid...
b9ab117c2f2eac8432def6a2ea03711bfa7f35d5
Analyze and fix the following issue in the Linux kernel code: [IA64] signal : fix missing error checkings
Problem Details: Not all the return value of __copy_from_user and __put_user is checked.This patch fixed it. Signed-off-by: Shi Weihua <shiwh@cn.fujitsu.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
```diff diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c index cdb64cc4d9c8..4c730099d58f 100644 --- a/arch/ia64/kernel/signal.c +++ b/arch/ia64/kernel/signal.c @@ -98,7 +98,7 @@ restore_sigcontext (struct sigcontext __user *sc, struct sigscratch *scr) if ((flags & IA64_SC_FLAG_FPH_VALID) != 0) { ...
d1aa690a7d1afa673c3383bfcd6e96ddb350939a
Analyze and fix the following issue in the Linux kernel code: ata_piix: add Toshiba Tecra M4 to broken suspend list
Problem Details: Add Toshiba Tecra M4 to broken suspend list. This is from OSDL bugzilla bug 7780. Signed-off-by: Peter Schwenke <peter@bluetoad.com.au> Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index b538e1d22bf2..bb62a588f489 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -973,6 +973,13 @@ static int piix_broken_suspend(void) DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M3"), }, }, + { + .ident = "TECRA M4", + .m...
994056d7aa884c742f58e2f2c17305bb01bf14e7
Analyze and fix the following issue in the Linux kernel code: ahci: fix engine reset failed message
Problem Details: There isn't much point in reporting -EOPNOTSUPP as failure. Also the message was missing newline. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 4688dbf2d111..588ab2fd59e7 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1271,9 +1271,9 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class, /* prepare for SRST (AHCI-1.1 10.4.1) */ rc = ahci_kick_engine(ap, 1...
d09e18bc194c3fa8ae880df4567c719c36a73e9e
Analyze and fix the following issue in the Linux kernel code: ibm_newemac: Call dev_set_drvdata() before tah_reset()
Problem Details: The patch moves dev_set_drvdata(&ofdev->dev, dev) up before tah_reset(ofdev) is called to avoid a NULL pointer dereference, since tah_reset uses drvdata. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Jeff Garzi...
```diff diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c index f161fb100e8e..6e35cbe15931 100644 --- a/drivers/net/ibm_newemac/tah.c +++ b/drivers/net/ibm_newemac/tah.c @@ -116,13 +116,14 @@ static int __devinit tah_probe(struct of_device *ofdev, goto err_free; } + dev_set_drvdata(&ofde...
63b6cad795e0a34e8670291943df8a6f653c1931
Analyze and fix the following issue in the Linux kernel code: ibm_newemac: Fix typo reading TAH channel info
Problem Details: This patch fixes a typo in ibm_newemac/core.c (tah_port should be used instead of tah_ph) Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index 9642931c66ea..7a620e5aaf38 100644 --- a/drivers/net/ibm_newemac/core.c +++ b/drivers/net/ibm_newemac/core.c @@ -2442,7 +2442,7 @@ static int __devinit emac_init_config(struct emac_instance *dev) if (emac_read_uint_prop(np, "tah...
bff713b562d495658093f1716a80c6ad76920e8b
Analyze and fix the following issue in the Linux kernel code: ibm_newemac: Cleanup/fix support for STACR register variants
Problem Details: There are a few variants of the STACR register that affect more than just the "AXON" version of EMAC. Replace the current test of various chip models with tests for generic properties in the device-tree. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.d...
```diff diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts index 3d0dfaecc7b6..10784ff45dd6 100644 --- a/arch/powerpc/boot/dts/sequoia.dts +++ b/arch/powerpc/boot/dts/sequoia.dts @@ -274,6 +274,8 @@ zmii-channel = <0>; rgmii-device = <&RGMII0>; rgmii-channel = <0>; + ha...
1f57877a39105ec4d99d63d02058f6db6ca6abe0
Analyze and fix the following issue in the Linux kernel code: ibm_newemac: Cleanup/Fix RGMII MDIO support detection
Problem Details: More than just "AXON" version of EMAC RGMII supports MDIO, so replace the current test with a generic property in the device-tree that indicates such support. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Jeff Garzik <jeff@garzik.or...
```diff diff --git a/arch/powerpc/boot/dts/sequoia.dts b/arch/powerpc/boot/dts/sequoia.dts index 8833dfe2e8b4..3d0dfaecc7b6 100644 --- a/arch/powerpc/boot/dts/sequoia.dts +++ b/arch/powerpc/boot/dts/sequoia.dts @@ -245,6 +245,7 @@ device_type = "rgmii-interface"; compatible = "ibm,rgmii-440epx", "ibm,rgmii"; ...
968530643a0685caced9dfd6f72f20d5e7bc8fbb
Analyze and fix the following issue in the Linux kernel code: ibm_newemac: Fix ZMII refcounting bug
Problem Details: When using ZMII for MDIO only (such as 440GX with RGMII for data and ZMII for MDIO), the ZMII code would fail to properly refcount, thus triggering a BUG_ON(). Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Stefan Roese <sr@denx.de> Signed-off-by: Jeff Garzik <jeff@garzik.o...
```diff diff --git a/drivers/net/ibm_newemac/zmii.c b/drivers/net/ibm_newemac/zmii.c index 2219ec2740e0..0f8cfbc0c618 100644 --- a/drivers/net/ibm_newemac/zmii.c +++ b/drivers/net/ibm_newemac/zmii.c @@ -83,12 +83,14 @@ int __devinit zmii_attach(struct of_device *ofdev, int input, int *mode) ZMII_DBG(dev, "init(%d, ...
abf9b902059fb1d569b64e8645a76f0fccbdbbe5
Analyze and fix the following issue in the Linux kernel code: e100: cleanup unneeded math
Problem Details: No need to convert to bytes and back - cleanup unneeded code. Adapted from fix from 'Roel Kluin <12o3l@tiscali.nl>' Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 3dbaec680b46..e1c8a0d023ea 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -2214,13 +2214,11 @@ static void e100_get_drvinfo(struct net_device *netdev, strcpy(info->bus_info, pci_name(nic->pdev)); } +#define E100_PHY_REGS 0x1C static i...
c32bc6e9b0778c891f7f3b97cd05c8cdf98b6721
Analyze and fix the following issue in the Linux kernel code: e1000: fix memcpy in e1000_get_strings
Problem Details: drivers/net/e1000/e1000_ethtool.c:113: #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN drivers/net/e1000e/ethtool.c:106: #define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN E1000_TEST_LEN*ETH_GSTRING_LEN will expand to sizeof(e1000_gstrings_test) / (ETH_GSTRING_L...
```diff diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 667f18bcc172..b83ccce8a9b7 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -1923,7 +1923,7 @@ e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data) switc...
70eba18b5664f90d7620905e005b89388e5fd94b
Analyze and fix the following issue in the Linux kernel code: make bnx2x select ZLIB_INFLATE
Problem Details: The bnx2x module depends on the zlib_inflate functions. The build will fail if ZLIB_INFLATE has not been selected manually or by building another module that automatically selects it. Modify BNX2X config option to 'select ZLIB_INFLATE' like BNX2 and others. This seems to fix it. Signed-off-by: Lee...
```diff diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index d9107e542dfa..6cde4edc846b 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2588,6 +2588,7 @@ config MLX4_DEBUG config TEHUTI tristate "Tehuti Networks 10G Ethernet" depends on PCI + select ZLIB_INFLATE help Tehuti Networks 10...
75758e8aa4b7d5c651261ce653dd8d0b716e1eda
Analyze and fix the following issue in the Linux kernel code: cxgb3 - T3C support update
Problem Details: Update GPIO mapping for T3C. Update xgmac for T3C support. Fix typo in mtu table. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index 5e1bc0dec5f1..6e12bf4bc6cf 100644 --- a/drivers/net/cxgb3/regs.h +++ b/drivers/net/cxgb3/regs.h @@ -1937,6 +1937,10 @@ #define A_XGM_RXFIFO_CFG 0x884 +#define S_RXFIFO_EMPTY 31 +#define V_RXFIFO_EMPTY(x) ((x) << S_RXFIFO_EMPTY) +#def...
fdaea7a93d097b066e76c7db6091228a84f87ec2
Analyze and fix the following issue in the Linux kernel code: bonding: Fix race at module unload
Problem Details: Fixes a race condition in module unload. Without this change, workqueue events may fire while bonding data structures are partially freed but before bond_close() is invoked by unregister_netdevice(). Update version to 3.2.3. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik ...
```diff diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 08879d552ae0..b0b26036266b 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4492,6 +4492,27 @@ static void bond_deinit(struct net_device *bond_dev) #endif } +static void bond_work_cance...
b63bb739a1d24f395c09f88ff43c54c736a60453
Analyze and fix the following issue in the Linux kernel code: bonding: Fix time comparison
Problem Details: From: David Sterba <dsterba@suse.cz> Use macros for comparing jiffies. Jiffies' wrap caused missed events and hangs. Module reinsert was needed to make bonding work again. Signed-off-by: David Sterba <dsterba@suse.cz> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.o...
```diff diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 423298c84a1d..e4a47149735f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -74,6 +74,7 @@ #include <linux/ethtool.h> #include <linux/if_vlan.h> #include <linux/if_bonding.h> +#include <l...
7bd4650895137760f6c686d06ca2bc174e3c861c
Analyze and fix the following issue in the Linux kernel code: bonding: Remove trailing NULs from sysfs interface.
Problem Details: From: Wagner Ferenc <wferi@niif.hu> Also remove trailing spaces from multivalued files. This fixes output like for example: $ od -c /sys/class/net/bond0/bonding/slaves 0000000 e t h - l e f t e t h - r i g 0000020 h t \n \0 0000025 It mostly entails delet...
```diff diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index b29330d8e309..a3f1b4afb40a 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -86,14 +86,13 @@ static ssize_t bonding_show_bonds(struct class *cls, char *buffer) /* not enough space fo...
62f0f61e6673e67151a7c8c0f9a09c7ea43fe2b5
Analyze and fix the following issue in the Linux kernel code: hrtimers: avoid overflow for large relative timeouts
Problem Details: Relative hrtimers with a large timeout value might end up as negative timer values, when the current time is added in hrtimer_start(). This in turn is causing the clockevents_set_next() function to set an huge timeout and sleep for quite a long time when we have a clock source which is capable of long...
```diff diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c index 22a25142e4cf..e65dd0b47cdc 100644 --- a/kernel/hrtimer.c +++ b/kernel/hrtimer.c @@ -850,6 +850,14 @@ hrtimer_start(struct hrtimer *timer, ktime_t tim, const enum hrtimer_mode mode) #ifdef CONFIG_TIME_LOW_RES tim = ktime_add(tim, base->resolution); #end...
8ced5f69e4bc09adcc6442e090e2e64c197246cf
Analyze and fix the following issue in the Linux kernel code: sched: enable early use of sched_clock()
Problem Details: some platforms have sched_clock() implementations that cannot be called very early during wakeup. If it's called it might hang or crash in hard to debug ways. So only call update_rq_clock() [which calls sched_clock()] if sched_init() has already been called. (rq->idle is NULL before the scheduler is in...
```diff diff --git a/kernel/sched.c b/kernel/sched.c index 67d9d1799d86..c6e551de795b 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -488,7 +488,12 @@ unsigned long long cpu_clock(int cpu) local_irq_save(flags); rq = cpu_rq(cpu); - update_rq_clock(rq); + /* + * Only call sched_clock() if the scheduler has a...
5998a3cf327c90d0a7116eca72c0d2df2be8ecfd
Analyze and fix the following issue in the Linux kernel code: [AVR32] Fix wrong pt_regs in critical exception handler
Problem Details: It's not like it really matters at this point since the system is dying anyway, but handle_critical pushes too few registers on the stack so the register dump, which makes the register dump look a bit strange. This patch fixes it. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
```diff diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S index df6c747658c1..8cf16d7a7040 100644 --- a/arch/avr32/kernel/entry-avr32b.S +++ b/arch/avr32/kernel/entry-avr32b.S @@ -316,8 +316,8 @@ save_full_context_ex: /* Low-level exception handlers */ handle_critical: - pushm r12 - ...
68ca3e537f12044af05a653fa9d28b4fe80117e8
Analyze and fix the following issue in the Linux kernel code: [AVR32] Fix copy_to_user_page() breakage
Problem Details: The current implementation of copy_to_user_page() gives "vaddr" to the cache instruction when trying to sync the icache with the dcache. If vaddr does not exist in the TLB, the CPU will silently abort the operation, which may result in the caches staying out of sync. To fix this, pass the "dst" parame...
```diff diff --git a/arch/avr32/mm/cache.c b/arch/avr32/mm/cache.c index c1233c615e67..15a4e5e142c1 100644 --- a/arch/avr32/mm/cache.c +++ b/arch/avr32/mm/cache.c @@ -122,16 +122,6 @@ void flush_icache_page(struct vm_area_struct *vma, struct page *page) } } -/* - * This one is used by copy_to_user_page() - */ -voi...
2507bc1338e43eadfef5b604d2c47e4f8180718f
Analyze and fix the following issue in the Linux kernel code: [AVR32] Follow the rules when dealing with the OCD system
Problem Details: The current debug trap handling code does a number of things that are illegal according to the AVR32 Architecture manual. Most importantly, it may try to schedule from Debug Mode, thus clearing the D bit, which can lead to "undefined behaviour". It seems like this works in most cases, but several peop...
```diff diff --git a/arch/avr32/kernel/asm-offsets.c b/arch/avr32/kernel/asm-offsets.c index 97d865865667..078cd33f467b 100644 --- a/arch/avr32/kernel/asm-offsets.c +++ b/arch/avr32/kernel/asm-offsets.c @@ -21,5 +21,7 @@ void foo(void) OFFSET(TI_flags, thread_info, flags); OFFSET(TI_cpu, thread_info, cpu); OFFSET...
df679771ce6a6bf57012459fbd15c981deaee526
Analyze and fix the following issue in the Linux kernel code: [AVR32] Fix invalid status register bit definitions in asm/ptrace.h
Problem Details: The 'H' bit is bit 29, while the 'R' bit doesn't exist. Luckily, we don't actually use any of the bits in question. Also update show_regs() to show the Debug Mask and Debug state bits. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
```diff diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index 13f988402613..f42a1d57cc72 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -287,10 +287,11 @@ void show_regs_log_lvl(struct pt_regs *regs, const char *log_lvl) regs->sr & SR_N ? 'N' : 'n', ...
b332b8bc9c67165eabdfc7d10b4a2e4cc9f937d0
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix memory controller register access when non-SMP.
Problem Details: get_cpu() always returns zero on non-SMP builds, but we really want the physical cpu number in this code in order to do the right thing. Based upon a non-SMP kernel boot failure report from Bernd Zeimetz. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/chmc.c b/arch/sparc64/kernel/chmc.c index 777d34577045..6d4f02e8a4cf 100644 --- a/arch/sparc64/kernel/chmc.c +++ b/arch/sparc64/kernel/chmc.c @@ -1,7 +1,6 @@ -/* $Id: chmc.c,v 1.4 2002/01/08 16:00:14 davem Exp $ - * memctrlr.c: Driver for UltraSPARC-III memory controller. +/* me...
8e71a11c9f3c09a01fcb445772ffd61b140f2479
Analyze and fix the following issue in the Linux kernel code: [SCTP]: Fix the bind_addr info during migration.
Problem Details: During accept/migrate the code attempts to copy the addresses from the parent endpoint to the new endpoint. However, if the parent was bound to a wildcard address, then we end up pointlessly copying all of the current addresses on the system. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> ...
```diff diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index eb3113c38a94..002a00a4e6be 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -1184,6 +1184,9 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest, const struct sctp_bind_addr *src, sctp_scope_t scope, ...
56c99d0415e8b778c200f115b198c126243ec351
Analyze and fix the following issue in the Linux kernel code: [IPV4]: Remove prototype of ip_rt_advice
Problem Details: ip_rt_advice has been gone, so no need to keep prototype and debug message. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/net/route.h b/include/net/route.h index f7ce6259f86f..59b0b19205a2 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -109,7 +109,6 @@ struct in_device; extern int ip_rt_init(void); extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw, __be32 src, s...
dc47206e552c0850ad11f7e9a1fca0a3c92f5d65
Analyze and fix the following issue in the Linux kernel code: leds: Fix led trigger locking bugs
Problem Details: Convert part of the led trigger core from rw spinlocks to rw semaphores. We're calling functions which can sleep from invalid contexts otherwise. Fixes bug #9264. Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
```diff diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 4211293ce862..ba8b04b03b9f 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -111,7 +111,7 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev) write_unlock(&leds_list_lock); #ifdef CO...
73afc9069289bdb77cf0c81cb9775dcb63894bbe
Analyze and fix the following issue in the Linux kernel code: [BRIDGE]: Section fix.
Problem Details: WARNING: vmlinux.o(.init.text+0x204e2): Section mismatch: reference to .exit.text:br_fdb_fini (between 'br_init' and 'br_fdb_init') Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index eb57502bb264..bc40377136a2 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -44,7 +44,7 @@ int __init br_fdb_init(void) return 0; } -void __exit br_fdb_fini(void) +void br_fdb_fini(void) { kmem_cache_destroy(br_fdb_cache); } ```
0c3b091b9a7a5184011e75afa7f0206d288ddb06
Analyze and fix the following issue in the Linux kernel code: [NIU]: Fix link LED handling.
Problem Details: The LED in the current driver will not be controlled correctly. During a link change the carrier of the link is not available and the LED will never turn on. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 112ab079ce7d..abfc61c3a38c 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -1045,6 +1045,7 @@ static int niu_serdes_init(struct niu *np) } static void niu_init_xif(struct niu *); +static void niu_handle_led(struct niu *, int status); stat...
223630fe3dc564b94e51ff4eb839828c9083f2f6
Analyze and fix the following issue in the Linux kernel code: export thermal notification to userspace when nocrt is set
Problem Details: module parameter is used to prevent the thermal_zone action upon critical trip points. But exporting this notification to userspace is still useful. By setting nocrt with this patch applied, ACPI will take no action but exporting the events to userspace upon critical/hot trip points. http://bugzilla.k...
```diff diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 5f79b4451212..3a0af9a8cd27 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -492,7 +492,7 @@ static int acpi_thermal_get_devices(struct acpi_thermal *tz) static int acpi_thermal_critical(struct acpi_thermal *tz) { - if (!t...
ad40e68bf5c54831cd6b2199fd24d616bac179f7
Analyze and fix the following issue in the Linux kernel code: ACPI: battery: fix ACPI battery technology reporting
Problem Details: At least some systems report technology information with trailing spaces: {pts/1}% cat -E /var/tmp/bat/2.6.23 | grep type battery type: Li-ION $ Use strncasecmp to compare model string to skip trailing part Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru> Acked-by: Alexey Starikovskiy...
```diff diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7d6be23eff89..8f7505d304b5 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -125,7 +125,7 @@ static int acpi_battery_technology(struct acpi_battery *battery) return POWER_SUPPLY_TECHNOLOGY_NiMH; if (!strcasecmp("LION", ba...
7cc955c8fdd58c5f2c98077011a20ce10897288c
Analyze and fix the following issue in the Linux kernel code: [POWERPC] virtex bug fix: Use canonical value for AC97 interrupt xparams
Problem Details: The ml300 and ml403 xparameters.h files use different macros for the AC97 interrupt pin assignments. This normalizes them to a canonical value similar to what EDK generates for most other devices. This is needed to get ml300 support to compile in arch/ppc. Signed-off-by: Grant Likely <grant.likely@s...
```diff diff --git a/arch/ppc/platforms/4xx/xparameters/xparameters.h b/arch/ppc/platforms/4xx/xparameters/xparameters.h index 01aa043ff381..650888b00fb0 100644 --- a/arch/ppc/platforms/4xx/xparameters/xparameters.h +++ b/arch/ppc/platforms/4xx/xparameters/xparameters.h @@ -15,8 +15,16 @@ #if defined(CONFIG_XILINX_M...
92a1f4bc7af13949d2185449307088cf98b4755d
Analyze and fix the following issue in the Linux kernel code: Add macros to replace direct uses of TASK_ flags
Problem Details: With the changes to support TASK_KILLABLE, ->state becomes a bitmask, and moving these tests to convenience macros will fix all the users. Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
```diff diff --git a/include/linux/sched.h b/include/linux/sched.h index ac3d496fbd20..69233c7fe28d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -178,6 +178,22 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) /* in tsk->state again */ #define TASK_DEAD 64 +/* Convenience mac...
bee86f14d51a5a9a3b1897e301da1e415df0ba23
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKE
Problem Details: The size of swapper_pg_dir is 8k instead of 4k when using 64-bit PTEs (CONFIG_PTE_64BIT). This was reported by Cedric Hombourger <chombourger@gmail.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
```diff diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index d67bcd84f329..ed083feaf6f9 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -326,8 +326,7 @@ int main(void) DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START)); #endif -#ifde...
84f4506cb788d85a50c97b399f2999f90e6272b0
Analyze and fix the following issue in the Linux kernel code: [PARISC] lba_pci: pci_claim_resources disabled expansion roms
Problem Details: radeonfb was HPMC-ing my C8000 by trying to map its expansion rom from IO_VIEW, instead of PA_VIEW. Fix seems to be to ensure that its disabled ROM is properly inserted into the resource tree. FIXME: this will result in a whinging printk for cards which share expansion ROMS, such as a quad tulip. Than...
```diff diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c index 5eace9e66e14..66ce61048361 100644 --- a/drivers/parisc/lba_pci.c +++ b/drivers/parisc/lba_pci.c @@ -768,9 +768,13 @@ lba_fixup_bus(struct pci_bus *bus) DBG("lba_fixup_bus() WTF? 0x%lx [%lx/%lx] XXX", res->flags, res->start, res->e...
00a5825332769706eb2e276c101dd20269a53992
Analyze and fix the following issue in the Linux kernel code: Fix oprofile configuration breakage
Problem Details: The cleanup 09cadedbdc01f1a4bea1f427d4fb4642eaa19da9 broke the oprofile configuration for MIPS by allowing oprofile support to be built for kernel models where oprofile doesn't have a chance in hell to work. Just a dependecy list on a number of architectures is - surprise - broken and should as per pa...
```diff diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 455bd1f560aa..c6fc405a6c8e 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -714,6 +714,10 @@ config ARCH_HAS_ILOG2_U64 bool default n +config ARCH_SUPPORTS_OPROFILE + bool + default y if !MIPS_MT_SMTC + config GENERIC_FIND_NEXT_BIT bool...
5e2862eb5a263a0339a85545d96fb20995d67b1f
Analyze and fix the following issue in the Linux kernel code: [MIPS] Oprofile: Fix computation of number of counters.
Problem Details: VSMP kernels will split the available performance counters between the two processors / cores. But don't do this when we're not on a VSMP system ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c index 423bc2c473df..bdfa07aecd97 100644 --- a/arch/mips/oprofile/op_model_mipsxx.c +++ b/arch/mips/oprofile/op_model_mipsxx.c @@ -6,6 +6,7 @@ * Copyright (C) 2004, 05, 06 by Ralf Baechle * Copyright (C) 2005 by MIPS Tec...
0e8120e0946152720af3d73691550bba108a3826
Analyze and fix the following issue in the Linux kernel code: [MIPS] Alchemy: fix IRQ bases
Problem Details: Do what the commits commits f3e8d1da389fe2e514e31f6e93c690c8e1243849 and 9d360ab4a7568a8d177280f651a8a772ae52b9b9 failed to achieve -- actually convert the Alchemy code to irq_cpu. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c index b7f1bbf6d5aa..3c7714f057ac 100644 --- a/arch/mips/au1000/common/irq.c +++ b/arch/mips/au1000/common/irq.c @@ -464,7 +464,7 @@ static void intc0_req0_irqdispatch(void) #endif bit = __ffs(intc0_req0); intc0_req0 &= ~(1 << bit); ...
4b36673284f86c649b9d9ec5818b1912fde556b3
Analyze and fix the following issue in the Linux kernel code: [MIPS] Alchemy: replace ffs() with __ffs()
Problem Details: Fix havoc wrought by commit 56f621c7f6f735311eed3f36858b402013023c18 -- au_ffs() and ffs() are equivalent, that patch should have just replaced one with another. Now replace ffs() with __ffs() which returns an unbiased bit number. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by...
```diff diff --git a/arch/mips/au1000/common/dbdma.c b/arch/mips/au1000/common/dbdma.c index 9d6ad43fded6..edf91f41a786 100644 --- a/arch/mips/au1000/common/dbdma.c +++ b/arch/mips/au1000/common/dbdma.c @@ -859,7 +859,7 @@ dbdma_interrupt(int irq, void *dev_id) intstat = dbdma_gptr->ddma_intstat; au_sync(); - cha...
f435a91e66e7776f0c73fca5af3cb87c61130ed6
Analyze and fix the following issue in the Linux kernel code: [MIPS] BCM1480: Fix interrupt routing, take 2.
Problem Details: Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index bc647cb77298..47f316c86ab1 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -76,7 +76,10 @@ static inline void WRITECFG32(u32 addr, u32 data) int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pi...
81a3843f97cff5fef7b6006fcd2d015d3c4b569f
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix hardware IRQ time accounting problem.
Problem Details: The commit fa13a5a1f25f671d084d8884be96fc48d9b68275 (sched: restore deterministic CPU accounting on powerpc), unconditionally calls update_process_tick() in system context. In the deterministic accounting case this is the correct thing to do. However, in the non-deterministic accounting case we need ...
```diff diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 41e13f4cc6e3..b9d88374f14f 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -350,7 +350,7 @@ struct task_struct *__switch_to(struct task_struct *prev, local_irq_save(flags); account_system_vti...
3a1c81f4faa8f93a36533fa8900a2f488528aab9
Analyze and fix the following issue in the Linux kernel code: [POWERPC] CELLEB: Fix possible NULL pointer dereference
Problem Details: This adds checking for NULL returned value from of_get_property to prevent possible NULL pointer dereference in the case when expected properties are not present. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
```diff diff --git a/arch/powerpc/platforms/celleb/pci.c b/arch/powerpc/platforms/celleb/pci.c index 6bc32fda7a6b..13ec4a606b96 100644 --- a/arch/powerpc/platforms/celleb/pci.c +++ b/arch/powerpc/platforms/celleb/pci.c @@ -138,8 +138,6 @@ static void celleb_config_read_fake(unsigned char *config, int where, *val = c...
7e46aa5c8cb1347853de9ec86f3fa440f9dc9d77
Analyze and fix the following issue in the Linux kernel code: regression: bfs endianness bug
Problem Details: BFS_FILEBLOCKS() expects struct bfs_inode * (on-disk data, with little- endian fields), not struct bfs_inode_info * (in-core stuff, with host- endian ones). It's a macro and fields with the right names are present in bfs_inode_info, so it compiles, but on big-endian host it gives bogus results. Intro...
```diff diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 294c41baef6e..a64a71d444f5 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -178,7 +178,8 @@ static void bfs_delete_inode(struct inode *inode) brelse(bh); if (bi->i_dsk_ino) { - info->si_freeb += BFS_FILEBLOCKS(bi); + if (bi->i_sblock) + inf...
9b5e6857b3f3acc8ab434e565b7ec87bf9f9b53c
Analyze and fix the following issue in the Linux kernel code: regression: cifs endianness bug
Problem Details: access_flags_to_mode() gets on-the-wire data (little-endian) and treats it as host-endian. Introduced in commit e01b64001359034d04c695388870936ed3d1b56b ("[CIFS] enable get mode from ACL when cifsacl mount option specified") Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torval...
```diff diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index f02fdef463a7..c312adcba4fc 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -134,9 +134,10 @@ int compare_sids(const struct cifs_sid *ctsid, const struct cifs_sid *cwsid) pmode is the existing mode (we only want to overwrite part of this ...
5a622f2d0f86b316b07b55a4866ecb5518dd1cf7
Analyze and fix the following issue in the Linux kernel code: proc: fix proc_dir_entry refcounting
Problem Details: Creating PDEs with refcount 0 and "deleted" flag has problems (see below). Switch to usual scheme: * PDE is created with refcount 1 * every de_get does +1 * every de_put() and remove_proc_entry() do -1 * once refcount reaches 0, PDE is freed. This elegantly fixes at least two following races (both obs...
```diff diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 5fccfe222a63..8d49838e5554 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -595,6 +595,7 @@ static struct proc_dir_entry *proc_create(struct proc_dir_entry **parent, ent->namelen = len; ent->mode = mode; ent->nlink = nlink; + atomic_set(&e...
d4beaf4ab5f89496f2bcf67db62ad95d99bfeff6
Analyze and fix the following issue in the Linux kernel code: jbd: Fix assertion failure in fs/jbd/checkpoint.c
Problem Details: Before we start committing a transaction, we call __journal_clean_checkpoint_list() to cleanup transaction's written-back buffers. If this call happens to remove all of them (and there were already some buffers), __journal_remove_checkpoint() will decide to free the transaction because it isn't (yet) ...
```diff diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c index 47552d4a6324..0f69c416eebc 100644 --- a/fs/jbd/checkpoint.c +++ b/fs/jbd/checkpoint.c @@ -602,15 +602,15 @@ int __journal_remove_checkpoint(struct journal_head *jh) /* * There is one special case to worry about: if we have just pulled the - * ...
369b8f5a70402d9fe77006cd0044c8a3fcd08430
Analyze and fix the following issue in the Linux kernel code: mm: fix XIP file writes
Problem Details: Writing to XIP files at a non-page-aligned offset results in data corruption because the writes were always sent to the start of the page. Signed-off-by: Nick Piggin <npiggin@suse.de> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Carsten Otte <cotte@de.ibm.com> Signed-off-by: Andrew Mor...
```diff diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c index 32132f3cd641..e233fff61b4b 100644 --- a/mm/filemap_xip.c +++ b/mm/filemap_xip.c @@ -314,7 +314,7 @@ __xip_file_write(struct file *filp, const char __user *buf, fault_in_pages_readable(buf, bytes); kaddr = kmap_atomic(page, KM_USER0); copied = bytes...
62310e51ac10c5e50998240e49a84d2e28377a48
Analyze and fix the following issue in the Linux kernel code: spi: spi_bfin: update handling of delay-after-deselect
Problem Details: Move cs_chg_udelay handling (specific to this driver) to cs_deactive(), fixing a bug when some SPI LCD driver needs delay after cs_deactive. Fix bug reported by Cameron Barfield <cbarfield@cyberdata.net> https://blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&forum_id=39&_forum_...
```diff diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 25b0efc5910e..4dc7e6749322 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -132,7 +132,7 @@ struct chip_data { u8 enable_dma; u8 bits_per_word; /* 8 or 16 */ u8 cs_change_per_word; - u8 cs_chg_udelay; + u16 ...
c3061abb9e95920407288cba143dc1af0babf099
Analyze and fix the following issue in the Linux kernel code: spi: spi_bfin: bugfix for 8..16 bit word sizes
Problem Details: Fix bug in u16_cs_chg_reader to read data_len-2 bytes data firstly, then read out the last 2 bytes data Signed-off-by: Bryan Wu <bryan.wu@analog.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <...
```diff diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index c4c4905e0aa1..25b0efc5910e 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -501,7 +501,7 @@ static void u16_cs_chg_reader(struct driver_data *drv_data) cs_active(drv_data, chip); dummy_read(drv_data); - whil...
cc487e732089360727e60f9fdbe3ff6cc4ca3155
Analyze and fix the following issue in the Linux kernel code: spi: spi_bfin: change handling of communication parameters
Problem Details: Fix SPI driver to work with SPI flash ST M25P16 on bf548 Currently the SPI driver enables the SPI controller and sets the SPI baud register for each SPI transfer. But they should never be changed within a SPI message session, in which several SPI transfers are pumped. This patch moves SPI setting to...
```diff diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 4496ed158e6b..c99a2afabf0c 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -222,9 +222,13 @@ static int restore_state(struct driver_data *drv_data) dev_dbg(&drv_data->pdev->dev, "restoring spi ctl state\n"); ...
4b01a0b1613beeb01e12c78feb69e98f0da0a69a
Analyze and fix the following issue in the Linux kernel code: mm/backing-dev.c: fix percpu_counter_destroy call bug in bdi_init
Problem Details: this call should use the array index j, not i. But with this approach, just one int i is enough, int j is not needed. Signed-off-by: Denis Cheng <crquan@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torva...
```diff diff --git a/mm/backing-dev.c b/mm/backing-dev.c index b0ceb29da4c7..e8644b1e5527 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -7,7 +7,7 @@ int bdi_init(struct backing_dev_info *bdi) { - int i, j; + int i; int err; for (i = 0; i < NR_BDI_STAT_ITEMS; i++) { @@ -21,7 +21,7 @@ int bdi_init(str...
0c664f974269bb4c3d38ba900c91a9a5d4cee5b1
Analyze and fix the following issue in the Linux kernel code: ufs: fix nexstep dir block size
Problem Details: This patch fixes regression, introduced since 2.6.16. NextStep variant of UFS as OpenStep uses directory block size equals to 1024. Without this change, ufs_check_page fails in many cases. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Cc: Dave B...
```diff diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 30f8c2bb0c3e..aaf2878305ce 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -179,7 +179,7 @@ bad_entry: goto fail; Eend: p = (struct ufs_dir_entry *)(kaddr + offs); - ufs_error (sb, "ext2_check_page", + ufs_error(sb, __FUNCTION__, "entry in directory #%lu...
5cd17569fd0eeca510735e63a6061291e3971bf6
Analyze and fix the following issue in the Linux kernel code: fix clone(CLONE_NEWPID)
Problem Details: Currently we are complicating the code in copy_process, the clone ABI, and if we fix the bugs sys_setsid itself, with an unnecessary open coded version of sys_setsid. So just simplify everything and don't special case the session and pgrp of the initial process in a pid namespace. Having this special...
```diff diff --git a/kernel/fork.c b/kernel/fork.c index 8ca1a14cdc8c..8dd8ff281009 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1292,23 +1292,14 @@ static struct task_struct *copy_process(unsigned long clone_flags, __ptrace_link(p, current->parent); if (thread_group_leader(p)) { - if (clone_flags & CL...
e00ba3dae077f54cfd2af42e939a618caa7a3bca
Analyze and fix the following issue in the Linux kernel code: aio: only account I/O wait time in read_events if there are active requests
Problem Details: On 2.6.24, top started showing 100% iowait on one CPU when a UML instance was running (but completely idle). The UML code sits in io_getevents waiting for an event to be submitted and completed. Fix this by checking ctx->reqs_active before scheduling to determine whether or not we are waiting for I/O...
```diff diff --git a/fs/aio.c b/fs/aio.c index f12db415c0f6..9dec7d2d546e 100644 --- a/fs/aio.c +++ b/fs/aio.c @@ -1161,7 +1161,12 @@ retry: ret = 0; if (to.timed_out) /* Only check after read evt */ break; - io_schedule(); + /* Try to only show up in io wait if there are ops + * in flight */ + i...
54561783ee99d73a086f3abbda3e44f87f6bf65b
Analyze and fix the following issue in the Linux kernel code: lockdep: in_range() fix
Problem Details: Torsten Kaiser wrote: | static inline int in_range(const void *start, const void *addr, const void *end) | { | return addr >= start && addr <= end; | } | This will return true, if addr is in the range of start (including) | to end (including). | | But debug_check_no_locks_freed() seems does: ...
```diff diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 7e2ca7c9d99c..0f389621bb6b 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -3054,11 +3054,6 @@ void __init lockdep_info(void) #endif } -static inline int in_range(const void *start, const void *addr, const void *end) -{ - return addr >= start &&...
856848737bd944c1db3ce0a66bbf67e56bd6f77d
Analyze and fix the following issue in the Linux kernel code: lockdep: fix debug_show_all_locks()
Problem Details: fix the oops that can be seen in: http://bugzilla.kernel.org/attachment.cgi?id=13828&action=view it is not safe to print the locks of running tasks. (even with this fix we have a small race - but this is a debug function after all.) Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Pete...
```diff diff --git a/kernel/lockdep.c b/kernel/lockdep.c index ed38bbfc48a3..7e2ca7c9d99c 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -3173,6 +3173,13 @@ retry: printk(" locked it.\n"); do_each_thread(g, p) { + /* + * It's not reliable to print a task's held locks + * if it's not sleeping (or if...
ce6bd420f43b28038a2c6e8fbb86ad24014727b6
Analyze and fix the following issue in the Linux kernel code: futex: fix for futex_wait signal stack corruption
Problem Details: David Holmes found a bug in the -rt tree with respect to pthread_cond_timedwait. After trying his test program on the latest git from mainline, I found the bug was there too. The bug he was seeing that his test program showed, was that if one were to do a "Ctrl-Z" on a process that was in the pthread_...
```diff diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 1c4eb41dbd89..9c4ad755d7e5 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -7,12 +7,25 @@ #ifndef _LINUX_THREAD_INFO_H #define _LINUX_THREAD_INFO_H +#include <linux/types.h> + /* - * System call resta...
75c6d1410caa6fea861ef3802e8b186f7685f235
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: check for possible NULL pointer dereference
Problem Details: This patch adds checking for possible NULL pointer dereference if of_find_property() failed. Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index 8c4875bdb4a8..e587a372f3fe 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -1022,6 +1022,10 @@ void __init sun4v_pci_init(struct device_node *dp, char *model_name) } prop = of_find_pr...
874a5f87f53f80b798140b07fcf81f8d3718b3cc
Analyze and fix the following issue in the Linux kernel code: [SYSCTL_CHECK]: Fix typo in KERN_SPARC_SCONS_PWROFF entry string.
Problem Details: Based upon a report by Mikael Pettersson. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/kernel/sysctl_check.c b/kernel/sysctl_check.c index 6972f26c65f7..bed939f82c31 100644 --- a/kernel/sysctl_check.c +++ b/kernel/sysctl_check.c @@ -96,7 +96,7 @@ static struct trans_ctl_table trans_kern_table[] = { { KERN_PTY, "pty", trans_pty_table }, { KERN_NGROUPS_MAX, "ngroups_max" }, -...
621544eb8c3beaa859c75850f816dd9b056a00a3
Analyze and fix the following issue in the Linux kernel code: [LRO]: fix lro_gen_skb() alignment
Problem Details: Add a field to the lro_mgr struct so that drivers can specify how much padding is required to align layer 3 headers when a packet is copied into a freshly allocated skb by inet_lro.c:lro_gen_skb(). Without padding, skbs generated by LRO will cause alignment warnings on architectures which require stri...
```diff diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 0f306ddb5630..8def8657251f 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1979,6 +1979,7 @@ static int myri10ge_open(struct net_device *dev) lro_mgr->lro_arr = mgp->rx_done.lro_desc; ...
4e67d876ce07471e02be571038d5435a825f0215
Analyze and fix the following issue in the Linux kernel code: [TCP]: NAGLE_PUSH seems to be a wrong way around
Problem Details: The comment in tcp_nagle_test suggests that. This bug is very very old, even 2.4.0 seems to have it. Signed-off-by: Ilpo Jrvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index e5130a7fe181..f4c1eef89af0 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1162,8 +1162,7 @@ int tcp_may_send_now(struct sock *sk) return (skb && tcp_snd_test(sk, skb, tcp_current_mss(sk, 1), (tcp_skb_is_last(sk, s...
4ac63ad6c52e9cdefbcb54ec4575ab12b78b49d9
Analyze and fix the following issue in the Linux kernel code: [IPVS]: Fix sched registration race when checking for name collision.
Problem Details: The register_ip_vs_scheduler() checks for the scheduler with the same name under the read-locked __ip_vs_sched_lock, then drops, takes it for writing and puts the scheduler in list. This is racy, since we can have a race window between the lock being re-locked for writing. The fix is to search the sc...
```diff diff --git a/net/ipv4/ipvs/ip_vs_sched.c b/net/ipv4/ipvs/ip_vs_sched.c index 1602304abbf9..432235861908 100644 --- a/net/ipv4/ipvs/ip_vs_sched.c +++ b/net/ipv4/ipvs/ip_vs_sched.c @@ -183,19 +183,6 @@ int register_ip_vs_scheduler(struct ip_vs_scheduler *scheduler) /* increase the module use count */ ip_vs_us...
6f4a7f4183bdbd02741dcd8edbd10b8628acc5d5
Analyze and fix the following issue in the Linux kernel code: PHY: Add the phy_device_release device method.
Problem Details: Lately I've got this nice badness on mdio bus removal: Device 'e0103120:06' does not have a release() function, it is broken and must be fixed. ------------[ cut here ]------------ Badness at drivers/base/core.c:107 NIP: c015c1a8 LR: c015c1a8 CTR: c0157488 REGS: c34bdcf0 TRAP: 0700 Not tainted (2.6...
```diff diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index fc2f0e695a13..c30196d0ad16 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -91,9 +91,12 @@ int mdiobus_register(struct mii_bus *bus) err = device_register(&phydev->dev); - if (err) + if (err) { ...
f9663aea2a938f9dc60dbfef34b9e7847a69c947
Analyze and fix the following issue in the Linux kernel code: gianfar: fix compile warning
Problem Details: Eliminate an uninitialized variable warning. The code is correct, but a pointer to the automatic variable 'addr' is passed to dma_alloc_coherent. Since addr has never been initialized, and the compiler doesn't know what dma_alloc_coherent will do with it, it complains. Signed-off-by: Grant Likely <gr...
```diff diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 38268d7335a8..0431e9ed0fac 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -696,7 +696,7 @@ int startup_gfar(struct net_device *dev) { struct txbd8 *txbdp; struct rxbd8 *rxbdp; - dma_addr_t addr; + dma_addr_t addr = 0; uns...
4352d82647f679fb8dd9440b34400fa49beedb2c
Analyze and fix the following issue in the Linux kernel code: pasemi_mac: Fix reuse of free'd skb
Problem Details: Turns out we're freeing the skb when we detect CRC error, but we're not clearing out info->skb. We could either clear it and have the stack reallocate it, or just leave it and the rx ring refill code will reuse the one that was allocated. Reusing a freed skb obviously caused some nasty crashes of vari...
```diff diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index a8db5d7105fb..816a59e801b2 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -586,7 +586,7 @@ static int pasemi_mac_clean_rx(struct pasemi_mac *mac, int limit) /* CRC error flagged */ mac->netdev->stats.rx_error...
d30f53aeb31d453a5230f526bea592af07944564
Analyze and fix the following issue in the Linux kernel code: SMC911X: Fix using of dereferenced skb after netif_rx
Problem Details: Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 1a3d80bfe9ea..76cc1d3adf71 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -1299,9 +1299,9 @@ smc911x_rx_dma_irq(int dma, void *data) PRINT_PKT(skb->data, skb->len); dev->last_rx = jiffies; skb->protocol = eth_type_trans(sk...
8cfcbe998aa0459e20bbad61376f81c1715b25d6
Analyze and fix the following issue in the Linux kernel code: sky2: recovery deadlock fix
Problem Details: Prevent deadlock in sky2 recovery logic. sky2_down calls napi_synchronize which gets stuck if napi was already disabled. Fix by rearranging slightly and not calling napi_disable until after both ports are stopped. The napi_disable probably is being overly paranoid, but it is safe now. Signed-off-by: ...
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 3d1dfc948405..6197afb3ed83 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2906,16 +2906,14 @@ static void sky2_restart(struct work_struct *work) int i, err; rtnl_lock(); - sky2_write32(hw, B0_IMSK, 0); - sky2_read32(hw, B0_IMSK); - n...
4c537e6371a9510c82eb96fb7e1e66017e0e2053
Analyze and fix the following issue in the Linux kernel code: Fix memory corruption in fec_mpc52xx
Problem Details: The mpc5200 fec driver is corrupting memory. This patch fixes two bugs where the wrong skb was being referenced. Signed-off-by: Jon Smirl <jonsmirl@gmail.com> Acked-by: Domen Puncer <domen.puncer@telargo.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: David Woodhouse <dwmw2...
```diff diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index bf5a7caa5b52..79f7eade4773 100644 --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -422,7 +422,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id) rskb = bcom_retrieve_buffer(priv->rx_dmatsk, &sta...
799b37b5ee6b4c197f38611eb7f02552e4f14e70
Analyze and fix the following issue in the Linux kernel code: drivers/s390/net/ctcmain.c: fix build bug
Problem Details: SET_MODULE_OWNER() is obsolete. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
```diff diff --git a/drivers/s390/net/ctcmain.c b/drivers/s390/net/ctcmain.c index b3b6f654365c..97adc701a819 100644 --- a/drivers/s390/net/ctcmain.c +++ b/drivers/s390/net/ctcmain.c @@ -2802,7 +2802,6 @@ void ctc_init_netdevice(struct net_device * dev) dev->type = ARPHRD_SLIP; dev->tx_queue_len = 100; dev->flags...
da54becc7166b5fad70538acea5e93bdd83dd8a6
Analyze and fix the following issue in the Linux kernel code: x86: arch_register_cpu() section fix
Problem Details: fix this on i386 allnoconfig: WARNING: vmlinux.o(.text+0x6f2e): Section mismatch: reference to .init.text:register_cpu (between 'arch_register_cpu' and 'text_poke') Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tgl...
```diff diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c index 8caa0b777466..7e16d675eb85 100644 --- a/arch/x86/kernel/topology.c +++ b/arch/x86/kernel/topology.c @@ -33,7 +33,7 @@ static struct i386_cpu cpu_devices[NR_CPUS]; -int arch_register_cpu(int num) +int __cpuinit arch_register_cpu(int ...
f22d9bc1e87270586610216084b00cb2fb09abba
Analyze and fix the following issue in the Linux kernel code: x86: free_cache_attributes() section fix
Problem Details: free_cache_attributes() must be __cpuinit since it calls the __cpuinit cache_remove_shared_cpu_map(). This patch fixes the following section mismatch reported by Chris Clayton: ... WARNING: vmlinux.o(.text+0x90b6): Section mismatch: reference to .init.text:cache_remove_shared_cpu_map (between 'free...
```diff diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 9921b01fe199..606fe4d55a91 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -497,7 +497,7 @@ static void __cpuinit cache_shared_cpu_map_setup(unsigned int cpu, int in...
77034937dc4575ca0a76bf209838ecd39e804089
Analyze and fix the following issue in the Linux kernel code: sched: fix crash in sys_sched_rr_get_interval()
Problem Details: Luiz Fernando N. Capitulino reported that sched_rr_get_interval() crashes for SCHED_OTHER tasks that are on an idle runqueue. The fix is to return a 0 timeslice for tasks that are on an idle runqueue. (and which are not running, obviously) this also shrinks the code a bit: text data bss ...
```diff diff --git a/kernel/sched.c b/kernel/sched.c index 59ff6b140edb..b062856b946c 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -4850,17 +4850,21 @@ long sys_sched_rr_get_interval(pid_t pid, struct timespec __user *interval) if (retval) goto out_unlock; - if (p->policy == SCHED_FIFO) - time_slice = 0;...
e87aa773747fb5e4217d716ea22a573c03b6693a
Analyze and fix the following issue in the Linux kernel code: dmapool: Fix style problems
Problem Details: Run Lindent and fix all issues reported by checkpatch.pl Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
```diff diff --git a/mm/dmapool.c b/mm/dmapool.c index b5034dc72a05..92e886d37e90 100644 --- a/mm/dmapool.c +++ b/mm/dmapool.c @@ -15,32 +15,32 @@ * This should probably be sharing the guts of the slab allocator. */ -struct dma_pool { /* the pool */ - struct list_head page_list; - spinlock_t lock; - size_t blo...
ab1809b4ed9a3aaf3b34133a776a94f9fad54cc4
Analyze and fix the following issue in the Linux kernel code: [S390] Fix compile error on 31bit without preemption
Problem Details: Commit b8e7a54cd06b0b0174029ef3a7f5a1415a2c28f2 introduced a compile error if CONFIG_PREEMPT is not set: arch/s390/kernel/built-in.o: In function `cleanup_io_leave_insn': /space/kvm/arch/s390/kernel/entry.S:(.text+0xbfce): undefined reference to `preempt_schedule_irq' This patch hides preempt_schedul...
```diff diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index b2b2edc40eb1..1a6dac8df6fb 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -1079,8 +1079,10 @@ cleanup_io_leave_insn: .Lexecve_tail: .long execve_tail .Ljump_table: .long pgm_check_table .Lschedule: .long schedule ...
436d1bc7fe6e78e37fe5f5022ea4d5c133d825eb
Analyze and fix the following issue in the Linux kernel code: [S390] dcssblk: prevent early access without own make_request function
Problem Details: When loading a dcss segment with the dcssblk driver, sometimes the following kind of message appears: bio too big device dcssblk0 (8 > 0) Buffer I/O error on device dcssblk0, logical block 172016 .. The fix is to move the disk registration after setting the make_request function, to avoid calls into ...
```diff diff --git a/drivers/s390/block/dcssblk.c b/drivers/s390/block/dcssblk.c index 5e083d1f57e7..15a5789b7734 100644 --- a/drivers/s390/block/dcssblk.c +++ b/drivers/s390/block/dcssblk.c @@ -472,11 +472,11 @@ dcssblk_add_store(struct device *dev, struct device_attribute *attr, const char if (rc) goto unregiste...
e136e769d471e7f3d24a8f6bf9c91dcb372bd0ab
Analyze and fix the following issue in the Linux kernel code: Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2)
Problem Details: Fix breakage caused by commit d5d8c5976d6adeddb8208c240460411e2198b393 "freezer: do not send signals to kernel threads" in jffs2_garbage_collect_thread() that assumed it would be sent signals by the freezer. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: David Woodhouse <dwmw2@infradead.org> Cc: P...
```diff diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c index d568ae846741..8adebd3e43c6 100644 --- a/fs/jffs2/background.c +++ b/fs/jffs2/background.c @@ -105,7 +105,7 @@ static int jffs2_garbage_collect_thread(void *_c) /* Put_super will send a SIGKILL and then wait on the sem. */ - while (signal...
561d9a969455cb009bb15b63e1d925dc527e7a9d
Analyze and fix the following issue in the Linux kernel code: HWMON: coretemp, suspend fix
Problem Details: It's not permitted to unregister a device after devices have been suspended. It causes deadlocks to appear on systems with coretemp hwmon loaded.  To avoid this, we can make coretemp_cpu_callback() do nothing if the _FROZEN bit is set in action.   Also, in other cases it's generally too late to unregis...
```diff diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 5c82ec7f8bbd..3ee60d26e3a2 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -337,11 +337,10 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, switch (action) { case CPU_ONLINE: - case CPU_ONLINE_FRO...
5619965fecf5679ea32350905c54d087b27cc8ea
Analyze and fix the following issue in the Linux kernel code: [POWERPC] pasemi: Fix module information for gpio-mdio
Problem Details: Fix up the module information for gpio-mdio, it wouldn't load because of lacking license, and wouldn't auto-load because of missing MODULE_DEVICE_TABLE. Signed-off-by: Olof Johansson <olof@lixom.net>
```diff diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index b0298045df7e..04a8686e6084 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -318,6 +318,7 @@ static struct of_device_id gpio_mdio_match[] = }, {},...
a6733f2e146a5f4884bc23023bf56f3a2698b547
Analyze and fix the following issue in the Linux kernel code: [MIPS] BCM1480: Fix interrupt routing.
Problem Details: The old code did did only work as long as CFE and the kernel were using the same interrupt numbering ... Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/pci/pci-bcm1480.c b/arch/mips/pci/pci-bcm1480.c index 5443ea3596f8..bc647cb77298 100644 --- a/arch/mips/pci/pci-bcm1480.c +++ b/arch/mips/pci/pci-bcm1480.c @@ -76,8 +76,7 @@ static inline void WRITECFG32(u32 addr, u32 data) int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin...
17d57a9206b4de6ad082ac9f2d2346985abbd2aa
Analyze and fix the following issue in the Linux kernel code: x86: fix x86-32 early fixmap initialization.
Problem Details: pageexec@freemail.hu writes: > i've just noticed that the chunk in i386/kernel/head.S ended up in a > weird place, namely, it's not going to be executed as it's just after > a 'jmp 3f' and before startup_32_smp, probably not what you intended. > on a sidenote, the whole thing can be done in a single i...
```diff diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S index 374b7ece8961..ac0637a6d71c 100644 --- a/arch/x86/kernel/head_32.S +++ b/arch/x86/kernel/head_32.S @@ -193,6 +193,12 @@ default_entry: jb 10b movl %edi,(init_pg_tables_end - __PAGE_OFFSET) + /* Do an early initialization of the fixmap...
ce3b642d42f36406112ab474c03d81c5941d9398
Analyze and fix the following issue in the Linux kernel code: uml: work around host tcsetattr bug
Problem Details: Under the conditions that UML uses it, tcgetattr is guaranteed to return -EINTR when the console is attached to /dev/ptmx, making generic_console_write hang because it loops, calling tcgetattr until it succeeds. This is a host bug - see http://marc.info/?l=linux-kernel&m=119618990807182&w=2 for the de...
```diff diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c index b88e93b3a39f..025764089ac8 100644 --- a/arch/um/drivers/chan_user.c +++ b/arch/um/drivers/chan_user.c @@ -74,10 +74,16 @@ void generic_free(void *data) int generic_console_write(int fd, const char *buf, int n) { + sigset_t old, no_...
54d67ee22c1ed12ff595defdf89e3d07b430497d
Analyze and fix the following issue in the Linux kernel code: uml: keep UML Kconfig in sync with x86
Problem Details: Fix a UML build breakage introduced by commit 1032c0ba9da5c5b53173ad2dcf8b2a2da78f8b17 - it introduces X86_32, with many things which UML needs depending on it. This patch adds definitions of X86_32 and RWSEM_XCHGADD_ALGORITHM to the UML/i386 Kconfig. Signed-off-by: Jeff Dike <jdike@linux.intel.com> ...
```diff diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386 index e0ac74e5d4c4..717f5d3440e3 100644 --- a/arch/um/Kconfig.i386 +++ b/arch/um/Kconfig.i386 @@ -8,6 +8,13 @@ config UML_X86 bool default y +config X86_32 + bool + default y + +config RWSEM_XCHGADD_ALGORITHM + def_bool y + config 64BIT...
eafe1aa37e6ec2d56f14732b5240c4dd09f0613a
Analyze and fix the following issue in the Linux kernel code: I4L: fix isdn_ioctl memory overrun vulnerability
Problem Details: Fix possible memory overrun issue in the isdn ioctl code. Found by ADLAB <adlab@venustech.com.cn> Signed-off-by: Karsten Keil <kkeil@suse.de> Cc: ADLAB <adlab@venustech.com.cn> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@lin...
```diff diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index c6df2925ebd0..d6952959d72a 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -1515,6 +1515,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg) if (copy_from_user(&i...
f6f0f81895ad8272905bf3d637b7c99a62238d79
Analyze and fix the following issue in the Linux kernel code: [MTD] [NOR] Fix overflow check in jedec_probe
Problem Details: Having laid the code out so that it's easier to read instead of sticking to the 80-column guideline even when it doesn't make sense, a bug is immediately spotted... we were only checking _one_ of the unlock addresses to see if it runs off the end of the map. Signed-off-by: David Woodhouse <dwmw2@infra...
```diff diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c index cb8c34da360a..6041ce8908e3 100644 --- a/drivers/mtd/chips/jedec_probe.c +++ b/drivers/mtd/chips/jedec_probe.c @@ -1952,7 +1952,7 @@ static int jedec_probe_chip(struct map_info *map, __u32 base, } /* Ensure the unlock addres...
d523a328fb0271e1a763e985a21f2488fd816e7e
Analyze and fix the following issue in the Linux kernel code: [INET]: Fix inet_diag dead-lock regression
Problem Details: The inet_diag register fix broke inet_diag module loading because the loaded module had to take the same mutex that's already held by the loader in order to register the new handler. This patch fixes it by introducing a separate mutex to protect the handling of handlers. Signed-off-by: Herbert Xu <he...
```diff diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 6b3fffb554b6..e468e7a7aac4 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -51,6 +51,29 @@ static struct sock *idiagnl; #define INET_DIAG_PUT(skb, attrtype, attrlen) \ RTA_DATA(__RTA_PUT(skb, attrtype, attrlen)) +static DEFINE_M...
5db9abd9361c491411448edbf2ef1696caef9fee
Analyze and fix the following issue in the Linux kernel code: [POWERPC] iSeries: Fix sparse warnings in setup.c
Problem Details: arch/powerpc/platforms/iseries/setup.c:111:27: warning: constant 0x100000000 is so big it is long arch/powerpc/platforms/iseries/setup.c:113:23: warning: constant 0x100000000 is so big it is long arch/powerpc/platforms/iseries/setup.c:117:27: warning: constant 0x000fffffffffffff is so big it is long ar...
```diff diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c index 8a652da2afc3..2175a71800d5 100644 --- a/arch/powerpc/platforms/iseries/setup.c +++ b/arch/powerpc/platforms/iseries/setup.c @@ -108,13 +108,13 @@ static unsigned long iSeries_process_Condor_mainstore_vpd( * cor...