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ALSA: firewire-tascam: Add missing annotation for tscm_hwdep_read_locked()

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Sparse reports a warning at tscm_hwdep_read_locked()

warning: context imbalance in tscm_hwdep_read_locked() - unexpected unlock

The root cause is the missing annotation at tscm_hwdep_read_locked()
Add the missing __releases(&tscm->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20200311010908.42366-9-jbi.octave@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Jules Irenge 2020-03-11 01:09:08 +00:00 committed by Takashi Iwai
parent 34aa7994ad
commit 3db1b00f21
1 changed files with 1 additions and 0 deletions
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1
sound/firewire/tascam/tascam-hwdep.c
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@ -17,6 +17,7 @@
static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf, static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf,
long count, loff_t *offset) long count, loff_t *offset)
__releases(&tscm->lock)
{ {
struct snd_firewire_event_lock_status event = { struct snd_firewire_event_lock_status event = {
.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS, .type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS,