| Message ID | 1429186682-20629-1-git-send-email-weiyj_lk@163.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
2015-04-16 21:18 GMT+09:00 <weiyj_lk@163.com>: > 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(). > > Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> > --- > sound/soc/samsung/s3c24xx-i2s.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Good catch. Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com> Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 04/16/2015 05:48 PM, 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(). This bug is there in other drivers in sound/soc/samsung/ Try do for all the drivers. > Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> > --- > sound/soc/samsung/s3c24xx-i2s.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c > index 326d3c3..5bf7236 100644 > --- a/sound/soc/samsung/s3c24xx-i2s.c > +++ b/sound/soc/samsung/s3c24xx-i2s.c > @@ -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; > > -- > To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
On Thu, Apr 16, 2015 at 08:18:02PM +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(). Applied, thanks.
diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index 326d3c3..5bf7236 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -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;