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drm: rcar-du: Fix framebuffer reference leak through plane state

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Plane state duplication takes a reference to the framebuffer stored in
the state, but state destroy doesn't release it. This causes a reference
leak. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
2015-03-05 19:41:04 +02:00
parent 343e0d2b58
commit de115fac73
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/rcar-du/rcar_du_plane.c
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@@ -316,6 +316,9 @@ rcar_du_plane_atomic_duplicate_state(struct drm_plane *plane)
static void rcar_du_plane_atomic_destroy_state(struct drm_plane *plane,
struct drm_plane_state *state)
{
if (state->fb)
drm_framebuffer_unreference(state->fb);
kfree(to_rcar_du_plane_state(state));
}