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From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
To: chris@zankel.net
Cc: jcmvbkbc@gmail.com, linux-xtensa@linux-xtensa.org,
	linux-kernel@vger.kernel.org,
	Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Subject: [PATCH] xtensa: fix warning comparing pointer to 0
Date: Wed, 10 Mar 2021 15:10:38 +0800	[thread overview]
Message-ID: <1615360238-22508-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw)

Fix the following coccicheck warning:

./arch/xtensa/kernel/pci.c:79:17-18: WARNING comparing pointer to 0.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 arch/xtensa/kernel/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 3f32e27..62c900e 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 */
-- 
1.8.3.1


             reply	other threads:[~2021-03-10  7:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-10  7:10 Jiapeng Chong [this message]
2021-03-10  7:35 ` Max Filippov

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