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authorTakashi Sakamoto <o-takashi@sakamocchi.jp>2014-07-22 23:11:03 +0900
committerTakashi Iwai <tiwai@suse.de>2014-07-22 16:21:17 +0200
commit901401166464dc1875825235bb2541af31b4c384 (patch)
treeee4daa19b6879f580000882de7c04f1c24dc3e13 /sound/firewire
parent4da63c6fc426023d1a20e45508c47d7d68c6a53d (diff)
downloadop-kernel-dev-901401166464dc1875825235bb2541af31b4c384.zip
op-kernel-dev-901401166464dc1875825235bb2541af31b4c384.tar.gz
ALSA: bebob: Fix a missing to unlock mutex in error handling case
In error handling case, special_clk_ctl_put() returns without unlock_mutex(), therefore the mutex is still locked. This commit moves mutex_lock() after the error handling case. This commit is my solution for this post. [PATCH -next] ALSA: bebob: Fix missing unlock on error in special_clk_ctl_put() https://lkml.org/lkml/2014/7/20/12 Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/firewire')
-rw-r--r--sound/firewire/bebob/bebob_maudio.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c
index 6af50eb..fc470c6 100644
--- a/sound/firewire/bebob/bebob_maudio.c
+++ b/sound/firewire/bebob/bebob_maudio.c
@@ -379,12 +379,12 @@ static int special_clk_ctl_put(struct snd_kcontrol *kctl,
struct special_params *params = bebob->maudio_special_quirk;
int err, id;
- mutex_lock(&bebob->mutex);
-
id = uval->value.enumerated.item[0];
if (id >= ARRAY_SIZE(special_clk_labels))
return 0;
+ mutex_lock(&bebob->mutex);
+
err = avc_maudio_set_special_clk(bebob, id,
params->dig_in_fmt,
params->dig_out_fmt,
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