From: Jakob Koschel jakobkoschel@gmail.com
stable inclusion from stable-v5.10.122 commit 4610b067615f3ff97dec9ad576d6031072e0eb18 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5W6OE
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit 84ef256550196bc06e6849a34224c998b45bd557 ]
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: 6dd67645f22c ("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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Reviewed-by: Wei Li liwei391@huawei.com --- drivers/staging/greybus/audio_codec.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c index 42ce6c88ea75..4ed29f852c23 100644 --- a/drivers/staging/greybus/audio_codec.c +++ b/drivers/staging/greybus/audio_codec.c @@ -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; }