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powerpc/4xx: Fix return value check in hsta_msi_probe()

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In case of error, the function ioremap() returns NULL
not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Wei Yongjun 2014-07-20 15:20:59 +08:00 committed by Michael Ellerman
parent 05b981f493
commit e144d4edbc
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/sysdev/ppc4xx_hsta_msi.c
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@ -145,7 +145,7 @@ static int hsta_msi_probe(struct platform_device *pdev)
ppc4xx_hsta_msi.address = mem->start;
ppc4xx_hsta_msi.data = ioremap(mem->start, resource_size(mem));
ppc4xx_hsta_msi.irq_count = irq_count;
if (IS_ERR(ppc4xx_hsta_msi.data)) {
if (!ppc4xx_hsta_msi.data) {
dev_err(dev, "Unable to map memory\n");
return -ENOMEM;
}