Commit 068149ad authored Mar 30, 2016 by Daniel Vetter

drm/qxl: 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 ef4c6270
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: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-4-git-send-email-daniel.vetter@ffwll.ch
Link: http://patchwork.freedesktop.org/patch/msgid/1459330852-27668-5-git-send-email-daniel.vetter@ffwll.ch

parent 5bb682c4

drivers/gpu/drm/qxl/qxl_fb.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -443,11 +443,11 @@ static int qxlfb_create(struct qxl_fbdev *qfbdev,
		}
		}
		if (fb && ret) {
		drm_gem_object_unreference(gobj);
		drm_gem_object_unreference_unlocked(gobj);
		drm_framebuffer_cleanup(fb);
		kfree(fb);
		}
		drm_gem_object_unreference(gobj);
		drm_gem_object_unreference_unlocked(gobj);
		return ret;
		}