bkl: Remove locked .ioctl file operation

The last user is gone, so we can safely remove this

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: John Kacur <jkacur@redhat.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

1 files changed, 4 insertions, 14 deletions

diff --git a/fs/ioctl.c b/fs/ioctl.c
index 2d140a713861..f855ea4fc888 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -29,7 +29,6 @@
  * @arg:        command-specific argument for ioctl
  *
  * Invokes filesystem specific ->unlocked_ioctl, if one exists; otherwise
- * invokes filesystem specific ->ioctl method.  If neither method exists,
  * returns -ENOTTY.
  *
  * Returns 0 on success, -errno on error.
@@ -39,21 +38,12 @@ static long vfs_ioctl(struct file *filp, unsigned int cmd,
 {
         int error = -ENOTTY;
 
-        if (!filp->f_op)
+        if (!filp->f_op || !filp->f_op->unlocked_ioctl)
                 goto out;
 
-        if (filp->f_op->unlocked_ioctl) {
-                error = filp->f_op->unlocked_ioctl(filp, cmd, arg);
-                if (error == -ENOIOCTLCMD)
-                        error = -EINVAL;
-                goto out;
-        } else if (filp->f_op->ioctl) {
-                lock_kernel();
-                error = filp->f_op->ioctl(filp->f_path.dentry->d_inode,
-                                          filp, cmd, arg);
-                unlock_kernel();
-        }
-
+        error = filp->f_op->unlocked_ioctl(filp, cmd, arg);
+        if (error == -ENOIOCTLCMD)
+                error = -EINVAL;
  out:
         return error;
 }