From 4a31b52fca20d1fc0abe0d0f5489b9eec2760219 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Tue, 5 Aug 2014 14:00:11 -0300
Subject: [PATCH] [media] coda: dequeue buffers on streamoff
This is needed to decrease the q->owned_by_drv_count to zero before
__vb2_queue_cancel is called, to avoid the WARN_ON therein.
Signed-off-by: Philipp Zabel
Signed-off-by: Kamil Debski
Signed-off-by: Mauro Carvalho Chehab
---
drivers/media/platform/coda/coda-common.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 1e938895f5f9..6760e346f969 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -1084,6 +1084,7 @@ static void coda_stop_streaming(struct vb2_queue *q)
{
struct coda_ctx *ctx = vb2_get_drv_priv(q);
struct coda_dev *dev = ctx->dev;
+ struct vb2_buffer *buf;
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
@@ -1091,7 +1092,11 @@ static void coda_stop_streaming(struct vb2_queue *q)
ctx->streamon_out = 0;
coda_bit_stream_end_flag(ctx);
+
ctx->isequence = 0;
+
+ while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
} else {
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
"%s: capture\n", __func__);
@@ -1099,6 +1104,9 @@ static void coda_stop_streaming(struct vb2_queue *q)
ctx->osequence = 0;
ctx->sequence_offset = 0;
+
+ while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
+ v4l2_m2m_buf_done(buf, VB2_BUF_STATE_ERROR);
}
if (!ctx->streamon_out && !ctx->streamon_cap) {
--
2.39.5