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MIPS: ralink: fix return value check in rt_timer_probe() 

In case of error, the function devm_request_and_ioremap() returns NULL
pointer not ERR_PTR(). Fix it by using devm_ioremap_resource() instead
of devm_request_and_ioremap().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: John Crispin <blogic@openwrt.org>
Cc: grant.likely@linaro.org
Cc: rob.herring@calxeda.com
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6098/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Wei Yongjun 2013-10-31 15:51:38 +08:00 committed by Ralf Baechle
parent 13b7ea6377
commit cd5d58108e
1 changed files with 1 additions and 1 deletions
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2
arch/mips/ralink/timer.c
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@ -126,7 +126,7 @@ static int rt_timer_probe(struct platform_device *pdev)
return -ENOENT;
}
rt->membase = devm_request_and_ioremap(&pdev->dev, res);
rt->membase = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(rt->membase))
return PTR_ERR(rt->membase);