ALSA: isight: fix leak of reference to firewire unit in error path of .probe callback

In some error paths, reference count of firewire unit is not decreased.
This commit fixes the bug.

Fixes: 5b14ec25a79b('ALSA: firewire: release reference count of firewire unit in .remove callback of bus driver')
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
index de4decfb74d5256845df8051d8a4f05c2e54f64a..9ebe510ea26b8961096f205564369ff420f2e6ea 100644 (file)
--- a/sound/firewire/isight.c
+++ b/sound/firewire/isight.c
@@ -638,7 +638,7 @@ static int isight_probe(struct fw_unit *unit,
        if (!isight->audio_base) {
                dev_err(&unit->device, "audio unit base not found\n");
                err = -ENXIO;
-               goto err_unit;
+               goto error;
        }
        fw_iso_resources_init(&isight->resources, unit);
 
@@ -667,12 +667,12 @@ static int isight_probe(struct fw_unit *unit,
        dev_set_drvdata(&unit->device, isight);
 
        return 0;
-
-err_unit:
-       fw_unit_put(isight->unit);
-       mutex_destroy(&isight->mutex);
 error:
        snd_card_free(card);
+
+       mutex_destroy(&isight->mutex);
+       fw_unit_put(isight->unit);
+
        return err;
 }