he return value of kzalloc() needs to be checked. To avoid use of null pointer in case of the failure of alloc. Fixes: db89ccbe52c7 ("PCI/AER: Define aer_stats structure for AER capable devices") Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx> --- drivers/pci/pcie/aer.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index ec943cee5ecc..d04303edf468 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -376,6 +376,8 @@ void pci_aer_init(struct pci_dev *dev) return; dev->aer_stats = kzalloc(sizeof(struct aer_stats), GFP_KERNEL); + if (!dev->aer_stats) + return; /* * We save/restore PCI_ERR_UNCOR_MASK, PCI_ERR_UNCOR_SEVER, -- 2.25.1