drm: Remove set but not used variable 'config'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/drm_plane.c: In function 'drm_mode_getplane_res':
drivers/gpu/drm/drm_plane.c:475:26: warning:
 variable 'config' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1536646814-186429-1-git-send-email-yuehaibing@huawei.com

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index 36bf3fe9ad21..4a72c6829d73 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -472,7 +472,6 @@ int drm_mode_getplane_res(struct drm_device *dev, void *data,
                           struct drm_file *file_priv)
 {
         struct drm_mode_get_plane_res *plane_resp = data;
-        struct drm_mode_config *config;
         struct drm_plane *plane;
         uint32_t __user *plane_ptr;
         int count = 0;
@@ -480,7 +479,6 @@ int drm_mode_getplane_res(struct drm_device *dev, void *data,
         if (!drm_core_check_feature(dev, DRIVER_MODESET))
                 return -EINVAL;
 
-        config = &dev->mode_config;
         plane_ptr = u64_to_user_ptr(plane_resp->plane_id_ptr);
 
         /*