drm_rmmap_ioctl(): remove dead code

This patch removes some obviously dead code spotted by the Coverity
checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Dave Airlie <airlied@linux.ie>

diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 923174c..3d1ec82 100644 (file)
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -479,11 +479,6 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
                return -EINVAL;
        }
 
-       if (!map) {
-               mutex_unlock(&dev->struct_mutex);
-               return -EINVAL;
-       }
-
        /* Register and framebuffer maps are permanent */
        if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
                mutex_unlock(&dev->struct_mutex);