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power/reset: at91: fix return value check in at91_reset_platform_probe()

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

Fixes: ecfe64d8c5 ("power: reset: Add AT91 reset driver")
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
This commit is contained in:
Wei Yongjun 2015-04-16 20:19:43 +08:00 committed by Sebastian Reichel
parent 2a6afddb66
commit 932df43005
1 changed files with 2 additions and 2 deletions
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4
drivers/power/reset/at91-reset.c
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@ -212,9 +212,9 @@ static int at91_reset_platform_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, idx + 1 );
at91_ramc_base[idx] = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (IS_ERR(at91_ramc_base[idx])) {
if (!at91_ramc_base[idx]) {
dev_err(&pdev->dev, "Could not map ram controller address\n");
return PTR_ERR(at91_ramc_base[idx]);
return -ENOMEM;
}
}