[PATCH 4/4] media: mediatek: vcodec: free working buf in vdec_vp9_slice_setup_single()

[Haoxiang Li]

Add an error path label in vdec_vp9_slice_setup_single()
and call vdec_vp9_slice_free_working_buffer() to free
working buffer.

Fixes: b0f407c19648 ("media: mediatek: vcodec: add vp9 decoder driver for mt8186")
Cc: stable at vger.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang at isrc.iscas.ac.cn>
---
 .../mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c        | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
index 673b17d0dd8d..1dd0f7fd642f 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_vp9_req_lat_if.c
@@ -1806,10 +1806,12 @@ static int vdec_vp9_slice_setup_single(struct vdec_vp9_slice_instance *instance,
 
 	ret = vdec_vp9_slice_setup_tile_buffer(instance, vsi, bs);
 	if (ret)
-		goto err;
+		goto alloc_err;
 
 	return 0;
 
+alloc_err:
+	vdec_vp9_slice_free_working_buffer(instance);
 err:
 	return ret;
 }
-- 
2.25.1