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author | Andrzej Hajda <a.hajda@samsung.com> | 2014-04-15 15:33:01 +0200 |
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committer | Dave Airlie <airlied@redhat.com> | 2014-04-30 09:48:28 +1000 |
commit | 25c8b5c3048cb6c98d402ca8d4735ccf910f727c (patch) | |
tree | 31a7fe1abcded36ca269adb54e5229962951c1d7 /drivers/gpu | |
parent | d8af20bcae25e8792ccd8c94404e6e57e7db75f2 (diff) | |
download | linux-stable-25c8b5c3048cb6c98d402ca8d4735ccf910f727c.tar.gz linux-stable-25c8b5c3048cb6c98d402ca8d4735ccf910f727c.tar.bz2 linux-stable-25c8b5c3048cb6c98d402ca8d4735ccf910f727c.zip |
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>
Diffstat (limited to 'drivers/gpu')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_crtc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index e930d4fe29c7..1ef5ab9c9d51 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -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; } |