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ASoC: samsung: s3c24xx-i2s: Fix return value check in s3c24xx_iis_dev_probe() 

In case of error, the function devm_ioremap_resource() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Wei Yongjun 2015-04-16 20:18:02 +08:00 committed by Mark Brown
parent c517d838eb
commit c479163a1b
1 changed files with 2 additions and 2 deletions
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4
sound/soc/samsung/s3c24xx-i2s.c
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@ -461,8 +461,8 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
return -ENOENT;
}
s3c24xx_i2s.regs = devm_ioremap_resource(&pdev->dev, res);
if (s3c24xx_i2s.regs == NULL)
return -ENXIO;
if (IS_ERR(s3c24xx_i2s.regs))
return PTR_ERR(s3c24xx_i2s.regs);
s3c24xx_i2s_pcm_stereo_out.dma_addr = res->start + S3C2410_IISFIFO;
s3c24xx_i2s_pcm_stereo_in.dma_addr = res->start + S3C2410_IISFIFO;