Hi, On Wed, Mar 11, 2020 at 01:09:08AM +0000, Jules Irenge wrote: > 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@xxxxxxxxx> > --- > sound/firewire/tascam/tascam-hwdep.c | 1 + > 1 file changed, 1 insertion(+) Thanks for your care of the warning. Although I have found it, I had no idea to suppress it. Acked-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx> > diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c > index 9801e33e7f2a..6f38335fe10b 100644 > --- a/sound/firewire/tascam/tascam-hwdep.c > +++ b/sound/firewire/tascam/tascam-hwdep.c > @@ -17,6 +17,7 @@ > > static long tscm_hwdep_read_locked(struct snd_tscm *tscm, char __user *buf, > long count, loff_t *offset) > + __releases(&tscm->lock) > { > struct snd_firewire_event_lock_status event = { > .type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS, > -- > 2.24.1 >