Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934808Ab3E1QSy (ORCPT ); Tue, 28 May 2013 12:18:54 -0400 Received: from mail-la0-f45.google.com ([209.85.215.45]:38386 "EHLO mail-la0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934674Ab3E1QSx (ORCPT ); Tue, 28 May 2013 12:18:53 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 28 May 2013 19:18:51 +0300 Message-ID: Subject: Re: [PATCH -next] dmaengine: ste_dma40: fix error return code in d40_probe() From: Andy Shevchenko To: Wei Yongjun Cc: srinidhi.kasagar@stericsson.com, Linus Walleij , Dan Williams , Vinod Koul , yongjun_wei@trendmicro.com.cn, linux-arm Mailing List , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2708 Lines: 72 Have you check the ux500-dma40 branch? https://git.kernel.org/cgit/linux/kernel/git/linusw/linux-stericsson.git/log/?h=ux500-dma40 On Tue, May 28, 2013 at 12:06 PM, Wei Yongjun wrote: > From: Wei Yongjun > > 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 > --- > 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; > } > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/