Input: uinput - semaphore to mutex conversion

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 546ed9b4901d..d723e9ad7c41 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -194,7 +194,7 @@ static int uinput_open(struct inode *inode, struct file *file)
         if (!newdev)
                 return -ENOMEM;
 
-        init_MUTEX(&newdev->sem);
+        mutex_init(&newdev->mutex);
         spin_lock_init(&newdev->requests_lock);
         init_waitqueue_head(&newdev->requests_waitq);
         init_waitqueue_head(&newdev->waitq);
@@ -340,7 +340,7 @@ static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t
         struct uinput_device *udev = file->private_data;
         int retval;
 
-        retval = down_interruptible(&udev->sem);
+        retval = mutex_lock_interruptible(&udev->mutex);
         if (retval)
                 return retval;
 
@@ -348,7 +348,7 @@ static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t
                         uinput_inject_event(udev, buffer, count) :
                         uinput_setup_device(udev, buffer, count);
 
-        up(&udev->sem);
+        mutex_unlock(&udev->mutex);
 
         return retval;
 }
@@ -369,7 +369,7 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count,
         if (retval)
                 return retval;
 
-        retval = down_interruptible(&udev->sem);
+        retval = mutex_lock_interruptible(&udev->mutex);
         if (retval)
                 return retval;
 
@@ -388,7 +388,7 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count,
         }
 
  out:
-        up(&udev->sem);
+        mutex_unlock(&udev->mutex);
 
         return retval;
 }
@@ -439,7 +439,7 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
         udev = file->private_data;
 
-        retval = down_interruptible(&udev->sem);
+        retval = mutex_lock_interruptible(&udev->mutex);
         if (retval)
                 return retval;
 
@@ -589,7 +589,7 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         }
 
  out:
-        up(&udev->sem);
+        mutex_unlock(&udev->mutex);
         return retval;
 }