#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>
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);