Sorry, my mistake, the device should be able to opened multiple times.
It's a wrong patch.
On 11/1/2016 16:52, Hans Verkuil wrote:
On 01/11/16 09:08, Songjun Wu wrote:
Release the filehandle in 'isc_open' if it's not the only filehandle
opened for the associated video_device.
What's wrong with that? You should always be able to open the device
multiple times. v4l2-compliance will fail after this patch. I'm not sure
what you intended to do here, but this patch is wrong.
Regards,
Hans
Signed-off-by: Songjun Wu <songjun.wu@xxxxxxxxxxxxx>
---
drivers/media/platform/atmel/atmel-isc.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/drivers/media/platform/atmel/atmel-isc.c
b/drivers/media/platform/atmel/atmel-isc.c
index 8e25d3f..5e08404 100644
--- a/drivers/media/platform/atmel/atmel-isc.c
+++ b/drivers/media/platform/atmel/atmel-isc.c
@@ -926,21 +926,21 @@ static int isc_open(struct file *file)
if (ret < 0)
goto unlock;
- if (!v4l2_fh_is_singular_file(file))
- goto unlock;
+ ret = !v4l2_fh_is_singular_file(file);
+ if (ret)
+ goto fh_rel;
ret = v4l2_subdev_call(sd, core, s_power, 1);
- if (ret < 0 && ret != -ENOIOCTLCMD) {
- v4l2_fh_release(file);
- goto unlock;
- }
+ if (ret < 0 && ret != -ENOIOCTLCMD)
+ goto fh_rel;
ret = isc_set_fmt(isc, &isc->fmt);
- if (ret) {
+ if (ret)
v4l2_subdev_call(sd, core, s_power, 0);
- v4l2_fh_release(file);
- }
+fh_rel:
+ if (ret)
+ v4l2_fh_release(file);
unlock:
mutex_unlock(&isc->lock);
return ret;
--
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