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[08/17] ASoC: sti: sti_uniperif: add missing error check

Message ID 20210326215927.936377-9-pierre-louis.bossart@linux.intel.com (mailing list archive)
State Accepted
Commit bf2a6b44d5e56a12dde6438a2d092475e54d1923
Headers show
Series ASoC: remove cppcheck warnings for multiple SOCs | expand

Commit Message

Pierre-Louis Bossart March 26, 2021, 9:59 p.m. UTC
cppcheck warning:

sound/soc/sti/sti_uniperif.c:490:6: style: Variable 'ret' is
reassigned a value before the old one has been
used. [redundantAssignment]
 ret = devm_snd_soc_register_component(&pdev->dev,
     ^
sound/soc/sti/sti_uniperif.c:486:6: note: ret is assigned
 ret = sti_uniperiph_cpu_dai_of(node, priv);
     ^
sound/soc/sti/sti_uniperif.c:490:6: note: ret is overwritten
 ret = devm_snd_soc_register_component(&pdev->dev,
     ^

sti_uniperiph_cpu_dai_of() can return -EINVAL which seems like a
good-enough reason to bail.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 sound/soc/sti/sti_uniperif.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Arnaud POULIQUEN March 29, 2021, 8:01 a.m. UTC | #1
> -----Original Message-----
> From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> Sent: vendredi 26 mars 2021 22:59
> To: alsa-devel@alsa-project.org
> Cc: tiwai@suse.de; broonie@kernel.org; linux-kernel@vger.kernel.org; Pierre-
> Louis Bossart <pierre-louis.bossart@linux.intel.com>; Arnaud POULIQUEN
> <arnaud.pouliquen@st.com>; Liam Girdwood <lgirdwood@gmail.com>;
> Jaroslav Kysela <perex@perex.cz>; Takashi Iwai <tiwai@suse.com>
> Subject: [PATCH 08/17] ASoC: sti: sti_uniperif: add missing error check
> 
> cppcheck warning:
> 
> sound/soc/sti/sti_uniperif.c:490:6: style: Variable 'ret' is reassigned a value
> before the old one has been used. [redundantAssignment]  ret =
> devm_snd_soc_register_component(&pdev->dev,
>      ^
> sound/soc/sti/sti_uniperif.c:486:6: note: ret is assigned  ret =
> sti_uniperiph_cpu_dai_of(node, priv);
>      ^
> sound/soc/sti/sti_uniperif.c:490:6: note: ret is overwritten  ret =
> devm_snd_soc_register_component(&pdev->dev,
>      ^
> 
> sti_uniperiph_cpu_dai_of() can return -EINVAL which seems like a good-enough
> reason to bail.
> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>

Thanks
Arnaud

> ---
>  sound/soc/sti/sti_uniperif.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c index
> 7b9169f04d6e..67315d9b352d 100644
> --- a/sound/soc/sti/sti_uniperif.c
> +++ b/sound/soc/sti/sti_uniperif.c
> @@ -484,6 +484,8 @@ static int sti_uniperiph_probe(struct platform_device
> *pdev)
>  	priv->pdev = pdev;
> 
>  	ret = sti_uniperiph_cpu_dai_of(node, priv);
> +	if (ret < 0)
> +		return ret;
> 
>  	dev_set_drvdata(&pdev->dev, priv);
> 
> --
> 2.25.1
diff mbox series

Patch

diff --git a/sound/soc/sti/sti_uniperif.c b/sound/soc/sti/sti_uniperif.c
index 7b9169f04d6e..67315d9b352d 100644
--- a/sound/soc/sti/sti_uniperif.c
+++ b/sound/soc/sti/sti_uniperif.c
@@ -484,6 +484,8 @@  static int sti_uniperiph_probe(struct platform_device *pdev)
 	priv->pdev = pdev;
 
 	ret = sti_uniperiph_cpu_dai_of(node, priv);
+	if (ret < 0)
+		return ret;
 
 	dev_set_drvdata(&pdev->dev, priv);