From: Jiapeng Chong Date: Wed, 10 Mar 2021 07:10:38 +0000 (+0800) Subject: xtensa: fix warning comparing pointer to 0 X-Git-Tag: v5.13-rc1~91^2~12 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9aa44cd2c24e302df5da49193a7cc233a0f7ddf8;p=thirdparty%2Fkernel%2Flinux.git xtensa: fix warning comparing pointer to 0 Fix the following coccicheck warning: ./arch/xtensa/kernel/pci.c:79:17-18: WARNING comparing pointer to 0. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong Message-Id: <1615360238-22508-1-git-send-email-jiapeng.chong@linux.alibaba.com> Signed-off-by: Max Filippov --- diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c index 3f32e275997a3..62c900e400d6a 100644 --- a/arch/xtensa/kernel/pci.c +++ b/arch/xtensa/kernel/pci.c @@ -76,7 +76,7 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma) struct pci_controller *pci_ctrl = (struct pci_controller*) pdev->sysdata; resource_size_t ioaddr = pci_resource_start(pdev, bar); - if (pci_ctrl == 0) + if (!pci_ctrl) return -EINVAL; /* should never happen */ /* Convert to an offset within this PCI controller */