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drm/exynos: balance framebuffer refcount

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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>
This commit is contained in:
Andrzej Hajda 2014-04-15 15:33:01 +02:00 • committed by Dave Airlie
parent d8af20bcae
commit 25c8b5c304
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/exynos/exynos_drm_crtc.c
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@ -145,6 +145,7 @@ exynos_drm_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *mode,
plane->crtc = crtc; plane->crtc = crtc;
plane->fb = crtc->primary->fb; plane->fb = crtc->primary->fb;
drm_framebuffer_reference(plane->fb);
return 0; return 0;
} }