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path: root/drivers/staging/goldfish/goldfish_audio.c
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Diffstat (limited to 'drivers/staging/goldfish/goldfish_audio.c')
-rw-r--r--drivers/staging/goldfish/goldfish_audio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/staging/goldfish/goldfish_audio.c b/drivers/staging/goldfish/goldfish_audio.c
index 14e962ddfc3d..0b7c49c4dcb0 100644
--- a/drivers/staging/goldfish/goldfish_audio.c
+++ b/drivers/staging/goldfish/goldfish_audio.c
@@ -131,6 +131,7 @@ static ssize_t goldfish_audio_read(struct file *fp, char __user *buf,
size_t count, loff_t *pos)
{
struct goldfish_audio *data = fp->private_data;
+ unsigned long irq_flags;
int length;
int result = 0;
@@ -144,6 +145,10 @@ static ssize_t goldfish_audio_read(struct file *fp, char __user *buf,
wait_event_interruptible(data->wait, data->buffer_status &
AUDIO_INT_READ_BUFFER_FULL);
+ spin_lock_irqsave(&data->lock, irq_flags);
+ data->buffer_status &= ~AUDIO_INT_READ_BUFFER_FULL;
+ spin_unlock_irqrestore(&data->lock, irq_flags);
+
length = audio_read(data, AUDIO_READ_BUFFER_AVAILABLE);
/* copy data to user space */