From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
There was already a core lock, so why wasn't ioctl already replaced by
unlock_ioctl?
This patch switches to unlocked_ioctl.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/usb/cx231xx/cx231xx-417.c | 15 ++++++---------
drivers/media/usb/cx231xx/cx231xx-video.c | 2 +-
2 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index a4091dd..15dd334 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1633,12 +1633,8 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
dprintk(3, "enter vidioc_s_input() i=%d\n", i);
- mutex_lock(&dev->lock);
-
video_mux(dev, i);
- mutex_unlock(&dev->lock);
-
if (i >= 4)
return -EINVAL;
dev->input = i;
@@ -1932,7 +1928,8 @@ static int mpeg_open(struct file *file)
if (dev == NULL)
return -ENODEV;
- mutex_lock(&dev->lock);
+ if (mutex_lock_interruptible(&dev->lock))
+ return -ERESTARTSYS;
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
@@ -1948,14 +1945,14 @@ static int mpeg_open(struct file *file)
videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
NULL, &dev->video_mode.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
- sizeof(struct cx231xx_buffer), fh, NULL);
+ sizeof(struct cx231xx_buffer), fh, &dev->lock);
/*
videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
&dev->udev->dev, &dev->ts1.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer),
- fh, NULL);
+ fh, &dev->lock);
*/
@@ -2069,7 +2066,7 @@ static struct v4l2_file_operations mpeg_fops = {
.read = mpeg_read,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
@@ -2144,11 +2141,11 @@ static struct video_device *cx231xx_video_dev_alloc(
if (NULL == vfd)
return NULL;
*vfd = *template;
- vfd->minor = -1;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
type, cx231xx_boards[dev->model].name);
vfd->v4l2_dev = &dev->v4l2_dev;
+ vfd->lock = &dev->lock;
vfd->release = video_device_release;
return vfd;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index da54b9b..1f0e00a 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -2235,7 +2235,7 @@ static const struct v4l2_file_operations radio_fops = {
.open = cx231xx_v4l2_open,
.release = cx231xx_v4l2_close,
.poll = v4l2_ctrl_poll,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops radio_ioctl_ops = {
--
1.7.10.4
--
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