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Commit de4345fe authored by Irui Wang's avatar Irui Wang Committed by Greg Kroah-Hartman
Browse files

media: mediatek: vcodec: Return NULL if no vdec_fb is found 



[ Upstream commit dfa2d6e07432270330ae191f50a0e70636a4cd2b ]

"fb_use_list" is used to store used or referenced frame buffers for
vp9 stateful decoder. "NULL" should be returned when getting target
frame buffer failed from "fb_use_list", not a random unexpected one.

Fixes: f77e8985 ("[media] vcodec: mediatek: Add Mediatek VP9 Video Decoder Driver")
Signed-off-by: default avatarIrui Wang <irui.wang@mediatek.com>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 02c0ea73

drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c

+3 −2
Original line number Diff line number Diff line
@@ -222,10 +222,11 @@ static struct vdec_fb *vp9_rm_from_fb_use_list(struct vdec_vp9_inst 
		if (fb->base_y.va == addr) {

			list_move_tail(&node->list,

				       &inst->available_fb_node_list);

			break;

			return fb;

		}

	}

	return fb;



	return NULL;

}



static void vp9_add_to_fb_free_list(struct vdec_vp9_inst *inst,