* [PATCH] media: mtk-vcodec: venc: fix return value when start_streaming fails
@ 2021-05-28 8:36 Dafna Hirschfeld
0 siblings, 0 replies; only message in thread
From: Dafna Hirschfeld @ 2021-05-28 8:36 UTC (permalink / raw)
To: linux-media, linux-mediatek, linux-kernel
Cc: dafna.hirschfeld, hverkuil, kernel, dafna3, mchehab, tfiga,
tiffany.lin, andrew-ct.chen, matthias.bgg, hsinyi, maoguang.meng,
irui.wang
In case vb2ops_venc_start_streaming fails, the error value
is overwritten by the ret value of pm_runtime_put which might
be 0. Fix it.
Fixes: 985c73693fe5a (" media: mtk-vcodec: Separating mtk encoder driver")
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
---
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
index 4831052f475d..5e0c53112c15 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c
@@ -780,7 +780,7 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
{
struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(q);
struct venc_enc_param param;
- int ret;
+ int ret, pm_ret;
int i;
/* Once state turn into MTK_STATE_ABORT, we need stop_streaming
@@ -832,9 +832,9 @@ static int vb2ops_venc_start_streaming(struct vb2_queue *q, unsigned int count)
return 0;
err_set_param:
- ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
- if (ret < 0)
- mtk_v4l2_err("pm_runtime_put fail %d", ret);
+ pm_ret = pm_runtime_put(&ctx->dev->plat_dev->dev);
+ if (pm_ret < 0)
+ mtk_v4l2_err("pm_runtime_put fail %d", pm_ret);
err_start_stream:
for (i = 0; i < q->num_buffers; ++i) {
--
2.17.1
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