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staging: greybus: codecs: fix type confusion of list iterator variable

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[ Upstream commit 84ef256550 ]

If the list does not exit early then data == NULL and 'module' does not
point to a valid list element.
Using 'module' in such a case is not valid and was therefore removed.

Fixes: 6dd67645f2 ("greybus: audio: Use single codec driver registration")
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Vaibhav Agarwal <vaibhav.sr@gmail.com>
Reviewed-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com>
Link: https://lore.kernel.org/r/20220321123626.3068639-1-jakobkoschel@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jakob Koschel
2022-03-21 13:36:26 +01:00
committed by Greg Kroah-Hartman
parent 1509d2335d
commit 4610b06761
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/greybus/audio_codec.c
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@@ -621,8 +621,8 @@ static int gbcodec_mute_stream(struct snd_soc_dai *dai, int mute, int stream)
break;
}
if (!data) {
dev_err(dai->dev, "%s:%s DATA connection missing\n",
dai->name, module->name);
dev_err(dai->dev, "%s DATA connection missing\n",
dai->name);
mutex_unlock(&codec->lock);
return -ENODEV;
}