In case of error, the function pci_iomap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Qiheng Lin <linqiheng@xxxxxxxxxx> --- drivers/misc/pvpanic/pvpanic-pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/misc/pvpanic/pvpanic-pci.c b/drivers/misc/pvpanic/pvpanic-pci.c index f38a80a5bbc8..9ecc4e8559d5 100644 --- a/drivers/misc/pvpanic/pvpanic-pci.c +++ b/drivers/misc/pvpanic/pvpanic-pci.c @@ -83,8 +83,8 @@ static int pvpanic_pci_probe(struct pci_dev *pdev, return ret; base = pci_iomap(pdev, 0, 0); - if (IS_ERR(base)) - return PTR_ERR(base); + if (!base) + return -ENOMEM; pi = kmalloc(sizeof(*pi), GFP_ATOMIC); if (!pi)