drm/omapdrm: Use unlocked gem unreferencing

For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with

commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Thu Oct 15 09:36:25 2015 +0200

    drm/gem: Check locking in drm_gem_object_unreference

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-3-git-send-email-daniel.vetter@ffwll.ch

diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c b/drivers/gpu/drm/omapdrm/omap_fbdev.c
index 3cb16f0cf38155a3d21a72674887d6656c214535..89da41ac64d2548508f774e2819e7a986e16087a 100644 (file)
--- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
+++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
@@ -153,7 +153,7 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
                /* note: if fb creation failed, we can't rely on fb destroy
                 * to unref the bo:
                 */
-               drm_gem_object_unreference(fbdev->bo);
+               drm_gem_object_unreference_unlocked(fbdev->bo);
                ret = PTR_ERR(fb);
                goto fail;
        }