From: weiyj_lk@163.com To: Ben Dooks <ben-linux@fluff.org>, Kukjin Kim <kgene.kim@samsung.com>, Sangbeom Kim <sbkim73@samsung.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de> Cc: Wei Yongjun <yongjun_wei@trendmicro.com.cn>, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH -next] ASoC: samsung: Fix return value check in s3c24xx_iis_dev_probe() Date: Sun, 20 Jul 2014 11:42:52 +0800 [thread overview] Message-ID: <1405827772-25980-1-git-send-email-weiyj_lk@163.com> (raw) 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(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- sound/soc/samsung/s3c24xx-i2s.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index e87d9a2..36dbc17 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -456,13 +456,9 @@ static int s3c24xx_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; - } 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;
WARNING: multiple messages have this Message-ID (diff)
From: weiyj_lk@163.com (weiyj_lk at 163.com) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH -next] ASoC: samsung: Fix return value check in s3c24xx_iis_dev_probe() Date: Sun, 20 Jul 2014 11:42:52 +0800 [thread overview] Message-ID: <1405827772-25980-1-git-send-email-weiyj_lk@163.com> (raw) 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(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- sound/soc/samsung/s3c24xx-i2s.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index e87d9a2..36dbc17 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -456,13 +456,9 @@ static int s3c24xx_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; - } 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;
next reply other threads:[~2014-07-20 3:44 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-07-20 3:42 weiyj_lk [this message] 2014-07-20 3:42 ` [PATCH -next] ASoC: samsung: Fix return value check in s3c24xx_iis_dev_probe() weiyj_lk at 163.com
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