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OpenCloudOS-Kernel/drivers/pci/hotplug
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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
..
Kconfig PCI: drivers/pci/slot.c should depend on CONFIG_SYSFS 2009-06-18 13:57:24 -07:00
Makefile PCI hotplug: acpiphp should be linked after vendor drivers 2009-11-04 08:47:14 -08:00
acpi_pcihp.c PCI hotplug: Rename is_ejectable which also exists in dock.c 2011-07-22 08:25:35 -07:00
acpiphp.h headers: kobject.h redux 2011-01-10 08:51:44 -08:00
acpiphp_core.c PCI: Make current and maximum bus speeds part of the PCI core 2010-02-22 16:15:17 -08:00
acpiphp_glue.c ACPI: constify ops structs 2011-07-16 18:36:17 -04:00
acpiphp_ibm.c sysfs: add struct file* to bin_attr callbacks 2010-05-21 09:37:31 -07:00
cpci_hotplug.h PCI: cpci_hotplug: stop managing hotplug_slot->name 2008-10-22 16:42:39 -07:00
cpci_hotplug_core.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
cpci_hotplug_pci.c PCI: cpci_hotplug: stop managing hotplug_slot->name 2008-10-22 16:42:39 -07:00
cpcihp_generic.c PCI: hotplug/cpcihp, fix pci device refcounting 2010-02-22 16:17:02 -08:00
cpcihp_zt5550.c
…
cpcihp_zt5550.h
…
cpqphp.h PCI: Make current and maximum bus speeds part of the PCI core 2010-02-22 16:15:17 -08:00
cpqphp_core.c PCI hotplug: cpqphp: use pci_dev->vendor 2011-07-22 08:25:43 -07:00
cpqphp_ctrl.c PCI: Make current and maximum bus speeds part of the PCI core 2010-02-22 16:15:17 -08:00
cpqphp_nvram.c PCI Hotplug: cpqphp: fix comment style 2009-06-11 12:04:08 -07:00
cpqphp_nvram.h
…
cpqphp_pci.c PCI Hotplug: cpqphp: don't use pci_find_slot() 2009-06-11 12:04:16 -07:00
cpqphp_sysfs.c drivers: autoconvert trivial BKL users to private mutex 2010-10-05 15:01:04 +02:00
fakephp.c PCI: use for_each_pci_dev() 2010-07-30 09:47:22 -07:00
ibmphp.h PCI: ibmphp: stop managing hotplug_slot->name 2008-10-22 16:42:41 -07:00
ibmphp_core.c PCI: Make current and maximum bus speeds part of the PCI core 2010-02-22 16:15:17 -08:00
ibmphp_ebda.c PCI hotplug: ibmphp: Add check to prevent reading beyond mapped area 2010-11-11 09:34:31 -08:00
ibmphp_hpc.c PCI hotplug: ibmphp-hpc: semaphore cleanup 2010-10-15 13:09:48 -07:00
ibmphp_pci.c PCI: replace remaining __FUNCTION__ occurrences 2008-04-20 21:47:09 -07:00
ibmphp_res.c ibmphp: Rename add_range() to add_bus_range() to avoid conflict 2010-02-10 17:45:09 -08:00
pci_hotplug_core.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pciehp.h pciehp: update workqueue usage 2010-10-18 08:31:02 +02:00
pciehp_acpi.c PCI hotplug: Fix unexpected driver unregister in pciehp_acpi.c 2010-12-23 12:51:49 -08:00
pciehp_core.c pciehp: update workqueue usage 2010-10-18 08:31:02 +02:00
pciehp_ctrl.c PCI: pciehp: change wait time for valid configuration access 2011-07-22 09:06:41 -07:00
pciehp_hpc.c PCI: pciehp: change wait time for valid configuration access 2011-07-22 09:06:41 -07:00
pciehp_pci.c PCI hotplug: pciehp: Fixed return value sign for pciehp_unconfigure_device 2010-07-30 09:29:15 -07:00
pcihp_skeleton.c PCI hotplug: remove redundant .owner initializations 2009-06-16 14:30:12 -07:00
pcihp_slot.c Fix pointer dereference before call to pcie_bus_configure_settings 2011-09-09 19:49:58 -07:00
rpadlpar.h
…
rpadlpar_core.c pci/of: Match PCI devices to OF nodes dynamically 2011-06-08 09:08:17 +10:00
rpadlpar_sysfs.c PCI: introduce pci_slot 2008-06-10 14:37:03 -07:00
rpaphp.h PCI hotplug: rpaphp: make debug var unique 2008-10-20 10:54:27 -07:00
rpaphp_core.c Fix common misspellings 2011-03-31 11:26:23 -03:00
rpaphp_pci.c PCI hotplug: rpaphp: make debug var unique 2008-10-20 10:54:27 -07:00
rpaphp_slot.c headers: kobject.h redux 2011-01-10 08:51:44 -08:00
sgi_hotplug.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
shpchp.h shpchp: update workqueue usage 2010-10-18 08:33:02 +02:00
shpchp_core.c shpchp: update workqueue usage 2010-10-18 08:33:02 +02:00
shpchp_ctrl.c shpchp: update workqueue usage 2010-10-18 08:33:02 +02:00
shpchp_hpc.c shpchp: update workqueue usage 2010-10-18 08:33:02 +02:00
shpchp_pci.c PCI hotplug: shpchp: Removed check for hotplug of display devices 2010-07-30 09:29:16 -07:00
shpchp_sysfs.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00