diff options
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 0c6639ea03d..cdd136942bc 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -30,6 +30,7 @@ #include <linux/major.h> #include <linux/hid.h> #include <linux/mutex.h> +#include <linux/sched.h> #include <linux/smp_lock.h> #include <linux/hidraw.h> @@ -47,10 +48,9 @@ static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, char *report; DECLARE_WAITQUEUE(wait, current); - while (ret == 0) { - - mutex_lock(&list->read_mutex); + mutex_lock(&list->read_mutex); + while (ret == 0) { if (list->head == list->tail) { add_wait_queue(&list->hidraw->wait, &wait); set_current_state(TASK_INTERRUPTIBLE); |