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From: Colin King <colin.king@canonical.com>
To: "Liam Girdwood" <lgirdwood@gmail.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Jaroslav Kysela" <perex@perex.cz>,
	"Takashi Iwai" <tiwai@suse.com>, 朱灿灿 <zhucancan@vivo.com>,
	alsa-devel@alsa-project.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH][next] ASoC: soc-pcm: Fix uninitialised return value in variable ret
Date: Fri,  8 Jan 2021 12:35:46 +0000	[thread overview]
Message-ID: <20210108123546.19601-1-colin.king@canonical.com> (raw)

From: Colin Ian King <colin.king@canonical.com>

Currently when attempting to start the BE fails because the
FE is not started the error return variable ret is not initialized
and garbage is returned.  Fix this by setting it to 0 so the
caller does not report the error "ASoC: failed to shutdown some BEs"
and because this failure path has already reported the reason for
the early return.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 2c1382840c19 ("ASoC: soc-pcm: disconnect BEs if the FE is not ready")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 sound/soc/soc-pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 481a4a25acb0..b787ce4ceb5a 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2443,6 +2443,7 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
 		fe->dpcm[stream].state == SND_SOC_DPCM_STATE_CLOSE) {
 		dev_err(fe->dev, "ASoC: FE %s is not ready %d\n",
 			fe->dai_link->name, fe->dpcm[stream].state);
+		ret = 0;
 		goto disconnect;
 	}
 
-- 
2.29.2


WARNING: multiple messages have this Message-ID (diff)
From: Colin King <colin.king@canonical.com>
To: "Liam Girdwood" <lgirdwood@gmail.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Jaroslav Kysela" <perex@perex.cz>,
	"Takashi Iwai" <tiwai@suse.com>, 朱灿灿 <zhucancan@vivo.com>,
	alsa-devel@alsa-project.org
Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH][next] ASoC: soc-pcm: Fix uninitialised return value in variable ret
Date: Fri, 08 Jan 2021 12:35:46 +0000	[thread overview]
Message-ID: <20210108123546.19601-1-colin.king@canonical.com> (raw)

From: Colin Ian King <colin.king@canonical.com>

Currently when attempting to start the BE fails because the
FE is not started the error return variable ret is not initialized
and garbage is returned.  Fix this by setting it to 0 so the
caller does not report the error "ASoC: failed to shutdown some BEs"
and because this failure path has already reported the reason for
the early return.

Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 2c1382840c19 ("ASoC: soc-pcm: disconnect BEs if the FE is not ready")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 sound/soc/soc-pcm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 481a4a25acb0..b787ce4ceb5a 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2443,6 +2443,7 @@ static int dpcm_run_update_startup(struct snd_soc_pcm_runtime *fe, int stream)
 		fe->dpcm[stream].state = SND_SOC_DPCM_STATE_CLOSE) {
 		dev_err(fe->dev, "ASoC: FE %s is not ready %d\n",
 			fe->dai_link->name, fe->dpcm[stream].state);
+		ret = 0;
 		goto disconnect;
 	}
 
-- 
2.29.2

             reply	other threads:[~2021-01-08 12:36 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-08 12:35 Colin King [this message]
2021-01-08 12:35 ` [PATCH][next] ASoC: soc-pcm: Fix uninitialised return value in variable ret Colin King
2021-01-11  9:56 ` 朱灿灿
2021-01-11 16:35 ` [PATCH][next] " Mark Brown
2021-01-11 16:35   ` Mark Brown
2021-01-11 17:07   ` Colin Ian King
2021-01-11 17:07     ` Colin Ian King
2021-01-11 17:09     ` Mark Brown
2021-01-11 17:09       ` Mark Brown
2021-01-11 17:37   ` Colin Ian King
2021-01-11 17:37     ` Colin Ian King
2021-01-11 17:58     ` Mark Brown
2021-01-11 17:58       ` Mark Brown
2021-01-12 10:22     ` Dan Carpenter
2021-01-12 10:22       ` Dan Carpenter
2021-01-12 10:22       ` Dan Carpenter
2021-01-12 10:24       ` Colin Ian King
2021-01-12 10:24         ` Colin Ian King

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