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mailbox/xgene-slimpro: Checking for IS_ERR instead of NULL 

devm_ioremap() returns NULL, it never returns an ERR_PTR.

Fixes: f700e84f41 ('mailbox: Add support for APM X-Gene platform mailbox driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
This commit is contained in:
Dan Carpenter 2016-02-26 00:32:21 +03:00 committed by Jassi Brar
parent 9c384189f5
commit 14d653af4e
1 changed files with 2 additions and 2 deletions
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4
drivers/mailbox/mailbox-xgene-slimpro.c
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@ -196,8 +196,8 @@ static int slimpro_mbox_probe(struct platform_device *pdev)
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mb_base = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
if (IS_ERR(mb_base))
return PTR_ERR(mb_base);
if (!mb_base)
return -ENOMEM;
/* Setup mailbox links */
for (i = 0; i < MBOX_CNT; i++) {