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misc/pvpanic: fix return value check in pvpanic_pci_probe()

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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@huawei.com>
Signed-off-by: Qiheng Lin <linqiheng@huawei.com>
Link: https://lore.kernel.org/r/20210330013659.916-1-linqiheng@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Qiheng Lin 2021-03-30 09:36:59 +08:00 committed by Greg Kroah-Hartman
parent d72260cc78
commit 642fa28bb5
1 changed files with 2 additions and 2 deletions
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4
drivers/misc/pvpanic/pvpanic-pci.c
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@ -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)