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V4L/DVB (11392): patch: s2255drv driver removal problem fixed 

This patch fixes kfree problem on driver removal, fixes streamoff problem
and removes unnecessary videobuf_waiton from free_buffer function.

Signed-off-by: Dean Anderson <dean@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dean Anderson 2009-03-30 11:59:56 -03:00 committed by Mauro Carvalho Chehab
parent 746ce939a2
commit b7732a32af
1 changed files with 2 additions and 6 deletions
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8
drivers/media/video/s2255drv.c
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@ -722,7 +722,6 @@ static void free_buffer(struct videobuf_queue *vq, struct s2255_buffer *buf)
{
dprintk(4, "%s\n", __func__);
videobuf_waiton(&buf->vb, 0, 0);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
@ -1324,7 +1323,6 @@ static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
int res;
struct s2255_fh *fh = priv;
struct s2255_dev *dev = fh->dev;
@ -1338,9 +1336,7 @@ static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
return -EINVAL;
}
s2255_stop_acquire(dev, fh->channel);
res = videobuf_streamoff(&fh->vb_vidq);
if (res < 0)
return res;
videobuf_streamoff(&fh->vb_vidq);
res_free(dev, fh);
return 0;
}
@ -1707,13 +1703,13 @@ static void s2255_destroy(struct kref *kref)
kfree(dev->fw_data);
usb_put_dev(dev->udev);
dprintk(1, "%s", __func__);
kfree(dev);
while (!list_empty(&s2255_devlist)) {
list = s2255_devlist.next;
list_del(list);
}
mutex_unlock(&dev->open_lock);
kfree(dev);
}
static int s2255_close(struct file *file)