diff options
| -rw-r--r-- | drivers/input/serio/serio_raw.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 6b57ee37efeb..77ce3a6a1599 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -106,7 +106,10 @@ static int serio_raw_open(struct inode *inode, struct file *file) file->private_data = client; kref_get(&serio_raw->kref); + + serio_pause_rx(serio_raw->serio); list_add_tail(&client->node, &serio_raw->client_list); + serio_continue_rx(serio_raw->serio); out: mutex_unlock(&serio_raw_mutex); @@ -138,10 +141,9 @@ static int serio_raw_release(struct inode *inode, struct file *file) static int serio_raw_fetch_byte(struct serio_raw *serio_raw, char *c) { - unsigned long flags; int empty; - spin_lock_irqsave(&serio_raw->serio->lock, flags); + serio_pause_rx(serio_raw->serio); empty = serio_raw->head == serio_raw->tail; if (!empty) { @@ -149,7 +151,7 @@ static int serio_raw_fetch_byte(struct serio_raw *serio_raw, char *c) serio_raw->tail = (serio_raw->tail + 1) % SERIO_RAW_QUEUE_LEN; } - spin_unlock_irqrestore(&serio_raw->serio->lock, flags); + serio_continue_rx(serio_raw->serio); return !empty; } |