linux-kernel - [PATCH 5.10 163/663] media: mtk-vcodec: fix error return code in vdec_vp9

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Message-Id: <20210301161149.844406777@linuxfoundation.org>
Date:   Mon,  1 Mar 2021 17:06:51 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhang Changzhong <zhangchangzhong@...wei.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 163/663] media: mtk-vcodec: fix error return code in vdec_vp9_decode()

From: Zhang Changzhong <zhangchangzhong@...wei.com>

[ Upstream commit 4397efebf039be58e98c81a194a26100eba597bb ]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: dea42fb79f4f ("media: mtk-vcodec: reset segment data then trig decoder")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
index 5ea153a685225..d9880210b2ab6 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -890,7 +890,8 @@ static int vdec_vp9_decode(void *h_vdec, struct mtk_vcodec_mem *bs,
 			memset(inst->seg_id_buf.va, 0, inst->seg_id_buf.size);
 
 			if (vsi->show_frame & BIT(2)) {
-				if (vpu_dec_start(&inst->vpu, NULL, 0)) {
+				ret = vpu_dec_start(&inst->vpu, NULL, 0);
+				if (ret) {
 					mtk_vcodec_err(inst, "vpu trig decoder failed");
 					goto DECODE_ERROR;
 				}
-- 
2.27.0