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-rw-r--r--sound/firewire/motu/motu-hwdep.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/firewire/motu/motu-hwdep.c b/sound/firewire/motu/motu-hwdep.c
index a900fc0e7644..88d1f4b56e4b 100644
--- a/sound/firewire/motu/motu-hwdep.c
+++ b/sound/firewire/motu/motu-hwdep.c
@@ -87,6 +87,10 @@ static long hwdep_read(struct snd_hwdep *hwdep, char __user *buf, long count,
return -EFAULT;
count = consumed;
+ } else {
+ spin_unlock_irq(&motu->lock);
+
+ count = 0;
}
return count;