The patch below does not apply to the 3.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From af05ef01e9cde84620c6855a8d8ab9c8a1db9009 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdego...@redhat.com>
Date: Tue, 22 May 2012 11:24:05 -0300
Subject: [PATCH] [media] gspca-core: Fix buffers staying in queued state
after a stream_off
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 <hdego...@redhat.com>
Tested-by: Antonio Ospite <osp...@studenti.unina.it>
CC: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.c
b/drivers/media/video/gspca/gspca.c
index 137166d..31721ea 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1653,7 +1653,7 @@ static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type buf_type)
{
struct gspca_dev *gspca_dev = video_drvdata(file);
- int ret;
+ int i, ret;
if (buf_type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
@@ -1678,6 +1678,8 @@ 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;
--
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