PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it
authorDexuan Cui <decui@microsoft.com>
Fri, 2 Aug 2019 22:50:20 +0000 (22:50 +0000)
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Mon, 12 Aug 2019 13:14:00 +0000 (14:14 +0100)
commit533ca1feed98b0bf024779a14760694c7cb4d431
treeddc521c5d171ede296f6e5d3653c2812e3ca591a
parent5f9e832c137075045d15cd6899ab0505cfb2ca4b
PCI: hv: Avoid use of hv_pci_dev->pci_slot after freeing it

The slot must be removed before the pci_dev is removed, otherwise a panic
can happen due to use-after-free.

Fixes: 15becc2b56c6 ("PCI: hv: Add hv_pci_remove_slots() when we unload the driver")
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: stable@vger.kernel.org
drivers/pci/controller/pci-hyperv.c