ALSA: bebob: Fix a missing to unlock mutex in error handling case

[cascardo/linux.git] / sound / firewire / bebob / bebob_maudio.c

diff --git a/sound/firewire/bebob/bebob_maudio.c b/sound/firewire/bebob/bebob_maudio.c
index 6af50eb..fc470c6 100644 (file)
--- 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,