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From: Camel Guo <camel.guo@axis.com>
To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>,
	<tiwai@suse.com>, <dmurphy@ti.com>
Cc: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	<kernel@axis.com>, Camel Guo <camelg@axis.com>,
	Camel Guo <camel.guo@axis.com>
Subject: [PATCH v4] ASoC: tlv320adcx140: Fix accessing uninitialized adcx140->dev
Date: Tue, 1 Sep 2020 15:57:35 +0200	[thread overview]
Message-ID: <20200901135736.32036-1-camel.guo@axis.com> (raw)

From: Camel Guo <camelg@axis.com>

In adcx140_i2c_probe, adcx140->dev is accessed before its
initialization. This commit fixes this bug.

Fixes: 689c7655b50c ("ASoC: tlv320adcx140: Add the tlv320adcx140 codec driver family")
Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Camel Guo <camel.guo@axis.com>
---
 v4:
   - Add Acked-By from Dan
 v3:
   - Add Fixes tag
 v2:
   - Fix typo

 sound/soc/codecs/tlv320adcx140.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c
index 5cd50d841177..7ae6ec374be3 100644
--- a/sound/soc/codecs/tlv320adcx140.c
+++ b/sound/soc/codecs/tlv320adcx140.c
@@ -980,6 +980,8 @@ static int adcx140_i2c_probe(struct i2c_client *i2c,
 	if (!adcx140)
 		return -ENOMEM;
 
+	adcx140->dev = &i2c->dev;
+
 	adcx140->gpio_reset = devm_gpiod_get_optional(adcx140->dev,
 						      "reset", GPIOD_OUT_LOW);
 	if (IS_ERR(adcx140->gpio_reset))
@@ -1007,7 +1009,7 @@ static int adcx140_i2c_probe(struct i2c_client *i2c,
 			ret);
 		return ret;
 	}
-	adcx140->dev = &i2c->dev;
+
 	i2c_set_clientdata(i2c, adcx140);
 
 	return devm_snd_soc_register_component(&i2c->dev,
-- 
2.20.1


             reply	other threads:[~2020-09-01 14:07 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01 13:57 Camel Guo [this message]
2020-09-01 15:17 ` Mark Brown

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