uinput: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index a56ad4b..2bcfa0b 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -37,6 +37,7 @@
#include <linux/fs.h>
#include <linux/miscdevice.h>
#include <linux/uinput.h>
+#include <linux/smp_lock.h>
static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
@@ -222,6 +223,7 @@
if (!newdev)
return -ENOMEM;
+ lock_kernel();
mutex_init(&newdev->mutex);
spin_lock_init(&newdev->requests_lock);
init_waitqueue_head(&newdev->requests_waitq);
@@ -229,6 +231,7 @@
newdev->state = UIST_NEW_DEVICE;
file->private_data = newdev;
+ unlock_kernel();
return 0;
}