cb4cb4ac73
Commit 47a8b0cc (Enable PCIe AER only after checking firmware support) wants to walk the PCI bus in the remove path to disable AER, and calls pci_walk_bus for downstream bridges. Unfortunately, in the remove path, we remove devices and bridges in a depth-first manner, starting with the furthest downstream bridge and working our way backwards. The furthest downstream bridges will not have a dev->subordinate, and we hit a NULL deref in pci_walk_bus. Check for dev->subordinate first before attempting to walk the PCI hierarchy below us. Acked-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Matthew Wilcox <willy@linux.intel.com> |
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| .. | ||
| aer | ||
| Kconfig | ||
| Makefile | ||
| aspm.c | ||
| portdrv.h | ||
| portdrv_bus.c | ||
| portdrv_core.c | ||
| portdrv_pci.c | ||