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Shyam Iyer 5307f6d5fb Fix pointer dereference before call to pcie_bus_configure_settings 
Commit b03e7495a8 ("PCI: Set PCI-E Max Payload Size on fabric")
introduced a potential NULL pointer dereference in calls to
pcie_bus_configure_settings due to attempts to access pci_bus self
variables when the self pointer is NULL.

To correct this, verify that the self pointer in pci_bus is non-NULL
before dereferencing it.

Reported-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Shyam Iyer <shyam_iyer@dell.com>
Signed-off-by: Jon Mason <mason@myri.com>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2011-09-09 19:49:58 -07:00
..
alpha All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
arm Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-08-29 16:34:07 -07:00
avr32 All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
blackfin All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
cris All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
frv All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
h8300 All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
ia64 All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
m32r All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
m68k All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
microblaze All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
mips All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
mn10300 All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
openrisc OpenRISC: Miscellaneous 2011-07-22 18:46:41 +02:00
parisc remove remaining references to nfsservctl 2011-08-29 16:31:59 -07:00
powerpc Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2011-08-31 08:58:36 -07:00
s390 All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
score modules: make arch's use default loader hooks 2011-07-24 22:06:04 +09:30
sh Merge branch 'sh-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-3.x 2011-08-29 13:34:48 -07:00
sparc sparc64: Only Panther cheetah+ chips have POPC. 2011-08-29 21:14:29 -07:00
tile Merge branch 'apei-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-08-03 21:53:27 -10:00
um ptrace: unify show_regs() prototype 2011-07-26 16:49:43 -07:00
unicore32 Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2011-07-29 23:35:05 -07:00
x86 Fix pointer dereference before call to pcie_bus_configure_settings 2011-09-09 19:49:58 -07:00
xtensa All Arch: remove linkage for sys_nfsservctl system call 2011-08-26 15:09:58 -07:00
.gitignore
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Kconfig Add Kconfig option ARCH_HAVE_NMI_SAFE_CMPXCHG 2011-08-03 11:12:37 -04:00