diff options
Diffstat (limited to 'drivers/input/misc/uinput.c')
| -rw-r--r-- | drivers/input/misc/uinput.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index a56ad4ba8fe2..2bcfa0b35061 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 @@ static int uinput_open(struct inode *inode, struct file *file) 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 @@ static int uinput_open(struct inode *inode, struct file *file) newdev->state = UIST_NEW_DEVICE; file->private_data = newdev; + unlock_kernel(); return 0; } |