Commit 25c8b5c3 authored Apr 15, 2014 by Andrzej Hajda Committed by Dave Airlie Apr 30, 2014

drm/exynos: balance framebuffer refcount



exynos_drm_crtc_mode_set assigns primary framebuffer to plane without
taking reference. Then during framebuffer removal it is dereferenced twice,
causing oops. The patch fixes it.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent d8af20bc

drivers/gpu/drm/exynos/exynos_drm_crtc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -145,6 +145,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc crtc, struct drm_display_mode mode,

		plane->crtc = crtc;
		plane->fb = crtc->primary->fb;
		drm_framebuffer_reference(plane->fb);

		return 0;
		}