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From f9f47b15a0eb3d8ae86f5d034fd8924ab258a4d2 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 22 May 2012 11:24:05 -0300
Subject: [PATCH 16/46] gspca-core: Fix buffers staying in queued state after
a stream_off
commit af05ef01e9cde84620c6855a8d8ab9c8a1db9009 upstream.
This fixes a regression introduced by commit f7059ea and should be
backported to all supported stable kernels which have this commit.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Tested-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/media/video/gspca/gspca.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 2ca10df..981501f 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1697,7 +1697,7 @@ static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type buf_type)
{
struct gspca_dev *gspca_dev = priv;
- int ret;
+ int i, ret;
if (buf_type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@@ -1728,6 +1728,8 @@ static int vidioc_streamoff(struct file *file, void *priv,
wake_up_interruptible(&gspca_dev->wq);
/* empty the transfer queues */
+ for (i = 0; i < gspca_dev->nframes; i++)
+ gspca_dev->frame[i].v4l2_buf.flags &= ~BUF_ALL_FLAGS;
atomic_set(&gspca_dev->fr_q, 0);
atomic_set(&gspca_dev->fr_i, 0);
gspca_dev->fr_o = 0;
--
1.7.10
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