Message ID | 1405827787-26055-1-git-send-email-weiyj_lk@163.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
On Sun, Jul 20, 2014 at 11:43:07AM +0800, weiyj_lk@163.com wrote: > From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> > > 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(). Also remove redundant return value check of > platform_get_resource(). Applied, thanks.
diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index 9180310..27b339c 100644 --- a/sound/soc/samsung/s3c2412-i2s.c +++ b/sound/soc/samsung/s3c2412-i2s.c @@ -154,13 +154,9 @@ static int s3c2412_iis_dev_probe(struct platform_device *pdev) struct resource *res; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "Can't get IO resource.\n"); - return -ENOENT; - } s3c2412_i2s.regs = devm_ioremap_resource(&pdev->dev, res); - if (s3c2412_i2s.regs == NULL) - return -ENXIO; + if (IS_ERR(s3c2412_i2s.regs)) + return PTR_ERR(s3c2412_i2s.regs); s3c2412_i2s_pcm_stereo_out.dma_addr = res->start + S3C2412_IISTXD; s3c2412_i2s_pcm_stereo_in.dma_addr = res->start + S3C2412_IISRXD;