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94f0b955e4
linux/drivers/pci
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Yang Yingliang 94f0b955e4 PCI: qcom-ep: Check platform_get_resource_byname() return value 
If platform_get_resource_byname() fails, 'mmio_res' will be set to NULL
pointer, which causes a NULL pointer dereference when it is used in
qcom_pcie_perst_deassert().

Check the return value to prevent it.

Link: https://lore.kernel.org/r/20220429080740.1294797-1-yangyingliang@huawei.com
Fixes: f55fee56a6 ("PCI: qcom-ep: Add Qualcomm PCIe Endpoint controller driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
2022-10-05 17:30:55 -05:00
..
controller PCI: qcom-ep: Check platform_get_resource_byname() return value 2022-10-05 17:30:55 -05:00
endpoint Fix of heap data and clang warnings, support for a new Intel NTB device, 2022-08-13 14:00:45 -07:00
hotplug PCI: hotplug: Clean up include files 2022-04-05 11:13:33 -05:00
msi PCI/MSI: Remove bogus warning in pci_irq_get_affinity() 2022-02-04 09:54:20 +01:00
pcie Merge branch 'pci/err' 2022-08-04 11:41:52 -05:00
switch PCI: switchtec: Prefer ida_alloc()/free() over ida_simple_get()/remove() 2022-06-09 12:28:21 -05:00
access.c PCI: Reduce warnings on possible RW1C corruption 2022-03-04 15:59:52 -06:00
ats.c
bus.c
doe.c PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
ecam.c
host-bridge.c
iov.c PCI/IOV: Fix wrong kernel-doc identifier 2022-03-07 12:06:10 -07:00
irq.c
Kconfig cxl for 6.0 2022-08-10 11:07:26 -07:00
Makefile PCI/DOE: Add DOE mailbox support functions 2022-07-19 15:38:04 -07:00
mmap.c PCI: Remove pci_mmap_page_range() wrapper 2022-07-29 12:08:44 -05:00
of.c IOMMU Updates for Linux v5.19 2022-05-31 09:56:54 -07:00
p2pdma.c PCI/P2PDMA: Remove pci_p2pdma_[un]map_sg() 2022-07-26 07:28:08 -04:00
pci-acpi.c PCI/ACPI: Update link to PCI firmware specification 2022-07-22 14:38:38 -05:00
pci-bridge-emul.c Merge branch 'remotes/lorenzo/pci/mvebu' 2022-03-22 17:16:25 -05:00
pci-bridge-emul.h PCI: pci-bridge-emul: Add support for PCI Bridge Subsystem Vendor ID capability 2022-02-22 16:04:19 +00:00
pci-driver.c IOMMU Updates for Linux v5.19 2022-05-31 09:56:54 -07:00
pci-label.c
pci-mid.c
pci-pf-stub.c
pci-stub.c PCI: pci_stub: Set driver_managed_dma 2022-04-28 15:32:20 +02:00
pci-sysfs.c PCI: Use driver_set_override() instead of open-coding 2022-04-22 17:13:54 +02:00
pci.c Merge branch 'pci/header-cleanup-immutable' 2022-08-04 11:46:53 -05:00
pci.h PCI/ASPM: Remove pcie_aspm_pm_state_change() 2022-07-12 10:08:26 -05:00
probe.c cxl for 6.0 2022-08-10 11:07:26 -07:00
proc.c PCI: Remove pci_mmap_page_range() wrapper 2022-07-29 12:08:44 -05:00
quirks.c Merge branch 'pci/header-cleanup-immutable' 2022-08-04 11:46:53 -05:00
remove.c
rom.c PCI: Prefer 'unsigned int' over bare 'unsigned' 2021-10-27 13:41:22 -05:00
search.c
setup-bus.c Merge branch 'pci/misc' 2022-03-22 17:16:21 -05:00
setup-irq.c
setup-res.c PCI: Work around Intel I210 ROM BAR overlap defect 2022-01-11 09:33:10 -06:00
slot.c PCI/sysfs: Use default_groups in kobj_type for slot attrs 2021-12-29 13:42:04 -06:00
syscall.c
vc.c
vgaarb.c PCI/VGA: Replace full MIT license text with SPDX identifier 2022-03-09 18:31:34 -06:00
vpd.c PCI/VPD: Use pci_read_vpd_any() in pci_vpd_size() 2021-10-25 19:12:23 -05:00
xen-pcifront.c xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring() 2022-05-19 14:22:02 +02:00