drm: of: Fix double-free bug

Fix double-free bug in the error path.

Fixes: 6529007 ("drm: of: Add drm_of_lvds_get_dual_link_pixel_order")
Reported-by: Pavel Machek <[email protected]>
Signed-off-by: Biju Das <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Cc: [email protected]
Signed-off-by: Sam Ravnborg <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

Author: bijudas

drivers/gpu/drm/drm_of.c

@@ -322,10 +322,8 @@ static int drm_of_lvds_get_remote_pixels_type(
 		 * configurations by passing the endpoints explicitly to
 		 * drm_of_lvds_get_dual_link_pixel_order().
 		 */
-		if (!current_pt || pixels_type != current_pt) {
-			of_node_put(remote_port);
+		if (!current_pt || pixels_type != current_pt)
 			return -EINVAL;
-		}
 	}
 
 	return pixels_type;