Re: [PATCH] [media] atmel-isc: release the filehandle if it's not the only one.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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;

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux