diff options
Diffstat (limited to 'drivers/media/video/uvc/uvc_v4l2.c')
| -rw-r--r-- | drivers/media/video/uvc/uvc_v4l2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index 7c555712411..94c1d6696af 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -364,7 +364,8 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream, * unprivileged state. Only a single instance can be in a privileged state at * a given time. Trying to perform an operation that requires privileges will * automatically acquire the required privileges if possible, or return -EBUSY - * otherwise. Privileges are dismissed when closing the instance. + * otherwise. Privileges are dismissed when closing the instance or when + * freeing the video buffers using VIDIOC_REQBUFS. * * Operations that require privileges are: * @@ -884,6 +885,9 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) if (ret < 0) return ret; + if (ret == 0) + uvc_dismiss_privileges(handle); + rb->count = ret; ret = 0; break; |