ALSA: fireface: remove unnecessary condition in hwdep_read()

Smatch complains that "count" is not clamped when "ff->dev_lock_changed"
and it leads to an information leak.  Fortunately, that's not actually
possible and the condition can be deleted.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/YA6n6I8EcNAO5ZFs@mwanda
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/firewire/fireface/ff-hwdep.c b/sound/firewire/fireface/ff-hwdep.c
index 4b2e0df..ea64a2a 100644 (file)
--- a/sound/firewire/fireface/ff-hwdep.c
+++ b/sound/firewire/fireface/ff-hwdep.c
@@ -35,13 +35,11 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf,  long count,
        }
 
        memset(&event, 0, sizeof(event));
-       if (ff->dev_lock_changed) {
-               event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
-               event.lock_status.status = (ff->dev_lock_count > 0);
-               ff->dev_lock_changed = false;
+       event.lock_status.type = SNDRV_FIREWIRE_EVENT_LOCK_STATUS;
+       event.lock_status.status = (ff->dev_lock_count > 0);
+       ff->dev_lock_changed = false;
 
-               count = min_t(long, count, sizeof(event.lock_status));
-       }
+       count = min_t(long, count, sizeof(event.lock_status));
 
        spin_unlock_irq(&ff->lock);