https://github.com/torvalds/linux
acpi_pci_get_bridge_handle() returns the ACPI handle for the bridge device (either a host bridge or a PCI-to-PCI bridge) leading to a PCI bus. But SR-IOV virtual functions can be on a virtual bus with no bridge leading to it. Return a NULL acpi_handle in this case instead of trying to dereference the NULL pointer to the bridge. This fixes a NULL pointer dereference oops in pci_get_hp_params() when adding SR-IOV VF devices on virtual buses. [bhelgaas: changelog, add comment in code] Fixes: 6cd33649fa83 ("PCI: Add pci_configure_device() during enumeration") Link: https://bugzilla.kernel.org/show_bug.cgi?id=87591 Reported-by: Chao Zhou <chao.zhou@intel.com> Reported-by: Joerg Roedel <joro@8bytes.org> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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File | Mode | Size |
---|---|---|
Documentation | ||
arch | ||
block | ||
crypto | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.gitignore | -rw-r--r-- | 1.1 KB |
.mailmap | -rw-r--r-- | 4.7 KB |
COPYING | -rw-r--r-- | 18.3 KB |
CREDITS | -rw-r--r-- | 93.8 KB |
Kbuild | -rw-r--r-- | 2.5 KB |
Kconfig | -rw-r--r-- | 252 bytes |
MAINTAINERS | -rw-r--r-- | 283.9 KB |
Makefile | -rw-r--r-- | 53.1 KB |
README | -rw-r--r-- | 18.3 KB |
REPORTING-BUGS | -rw-r--r-- | 7.3 KB |
Computing file changes ...