From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars-Peter Clausen Subject: Re: [PATCH] ASoC: sigmadsp: Fix missleading return value Date: Wed, 10 Feb 2016 16:02:38 +0100 Message-ID: <56BB510E.8030703@metafoo.de> References: <1455116368-26148-1-git-send-email-pascal.huerst@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from smtp-out-033.synserver.de (smtp-out-137.synserver.de [212.40.185.137]) by alsa0.perex.cz (Postfix) with ESMTP id 11AC8260673 for ; Wed, 10 Feb 2016 16:02:41 +0100 (CET) In-Reply-To: <1455116368-26148-1-git-send-email-pascal.huerst@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: pascal.huerst@gmail.com Cc: alsa-devel@alsa-project.org, broonie@kernel.org, lgirdwood@gmail.com List-Id: alsa-devel@alsa-project.org On 02/10/2016 03:59 PM, pascal.huerst@gmail.com wrote: > From: Pascal Huerst > > Forwarding the return value of i2c_master_send, leads to errors > later on, since i2c_master_send returns the number of bytes > transmittet. Check for ret < 0 instead and return 0 otherwise. > > Signed-off-by: Pascal Huerst Acked-by: Lars-Peter Clausen > --- > sound/soc/codecs/sigmadsp-i2c.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/sound/soc/codecs/sigmadsp-i2c.c b/sound/soc/codecs/sigmadsp-i2c.c > index 21ca3a5..d374c18 100644 > --- a/sound/soc/codecs/sigmadsp-i2c.c > +++ b/sound/soc/codecs/sigmadsp-i2c.c > @@ -31,7 +31,10 @@ static int sigmadsp_write_i2c(void *control_data, > > kfree(buf); > > - return ret; > + if (ret < 0) > + return ret; > + > + return 0; > } > > static int sigmadsp_read_i2c(void *control_data, >