From: Wei Yongjun <weiyj.lk@gmail.com> To: srinidhi.kasagar@stericsson.com, linus.walleij@linaro.org, djbw@fb.com, vinod.koul@intel.com Cc: yongjun_wei@trendmicro.com.cn, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH -next] dmaengine: ste_dma40: fix error return code in d40_probe() Date: Tue, 28 May 2013 17:06:15 +0800 [thread overview] Message-ID: <CAPgLHd-Mw4MQwS8=p9+ZBHHehH7B-Hs49BqiUMrq-aV_5M4pQQ@mail.gmail.com> (raw) From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> In many of the error handling case, the return value 'ret' not set and 0 will be return from d40_probe() even if error, but we should return a negative error code instead in those error handling case. This patch fixed them, and also removed useless variable 'err'. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- drivers/dma/ste_dma40.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 71bf4ec..cbf9c62 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3474,7 +3474,6 @@ failure: static int __init d40_probe(struct platform_device *pdev) { - int err; int ret = -ENOENT; struct d40_base *base; struct resource *res = NULL; @@ -3576,6 +3575,7 @@ static int __init d40_probe(struct platform_device *pdev) if (IS_ERR(base->lcpa_regulator)) { d40_err(&pdev->dev, "Failed to get lcpa_regulator\n"); base->lcpa_regulator = NULL; + ret = PTR_ERR(base->lcpa_regulator); goto failure; } @@ -3590,13 +3590,13 @@ static int __init d40_probe(struct platform_device *pdev) } base->initialized = true; - err = d40_dmaengine_init(base, num_reserved_chans); - if (err) + ret = d40_dmaengine_init(base, num_reserved_chans); + if (ret) goto failure; base->dev->dma_parms = &base->dma_parms; - err = dma_set_max_seg_size(base->dev, STEDMA40_MAX_SEG_SIZE); - if (err) { + ret = dma_set_max_seg_size(base->dev, STEDMA40_MAX_SEG_SIZE); + if (ret) { d40_err(&pdev->dev, "Failed to set dma max seg size\n"); goto failure; }
WARNING: multiple messages have this Message-ID (diff)
From: weiyj.lk@gmail.com (Wei Yongjun) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH -next] dmaengine: ste_dma40: fix error return code in d40_probe() Date: Tue, 28 May 2013 17:06:15 +0800 [thread overview] Message-ID: <CAPgLHd-Mw4MQwS8=p9+ZBHHehH7B-Hs49BqiUMrq-aV_5M4pQQ@mail.gmail.com> (raw) From: Wei Yongjun <yongjun_wei@trendmicro.com.cn> In many of the error handling case, the return value 'ret' not set and 0 will be return from d40_probe() even if error, but we should return a negative error code instead in those error handling case. This patch fixed them, and also removed useless variable 'err'. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> --- drivers/dma/ste_dma40.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 71bf4ec..cbf9c62 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3474,7 +3474,6 @@ failure: static int __init d40_probe(struct platform_device *pdev) { - int err; int ret = -ENOENT; struct d40_base *base; struct resource *res = NULL; @@ -3576,6 +3575,7 @@ static int __init d40_probe(struct platform_device *pdev) if (IS_ERR(base->lcpa_regulator)) { d40_err(&pdev->dev, "Failed to get lcpa_regulator\n"); base->lcpa_regulator = NULL; + ret = PTR_ERR(base->lcpa_regulator); goto failure; } @@ -3590,13 +3590,13 @@ static int __init d40_probe(struct platform_device *pdev) } base->initialized = true; - err = d40_dmaengine_init(base, num_reserved_chans); - if (err) + ret = d40_dmaengine_init(base, num_reserved_chans); + if (ret) goto failure; base->dev->dma_parms = &base->dma_parms; - err = dma_set_max_seg_size(base->dev, STEDMA40_MAX_SEG_SIZE); - if (err) { + ret = dma_set_max_seg_size(base->dev, STEDMA40_MAX_SEG_SIZE); + if (ret) { d40_err(&pdev->dev, "Failed to set dma max seg size\n"); goto failure; }
next reply other threads:[~2013-05-28 9:06 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-05-28 9:06 Wei Yongjun [this message] 2013-05-28 9:06 ` [PATCH -next] dmaengine: ste_dma40: fix error return code in d40_probe() Wei Yongjun 2013-05-28 16:18 ` Andy Shevchenko 2013-05-28 16:18 ` Andy Shevchenko 2013-05-29 18:27 ` Linus Walleij 2013-05-29 18:27 ` Linus Walleij
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