From 4e7387858f35eace117493e4ad69d3b7ccc84a41 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Wed, 2 Sep 2009 03:09:02 -0300 Subject: [PATCH] V4L/DVB (13150): uvcvideo: Don't acquire privileges in VIDIOC_TRY_FMT The VIDIOC_TRY_FMT ioctl doesn't interfere with video streaming and thus should succeed on an unprivileged file handle. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/uvc/uvc_v4l2.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index a2bdd80..7c55571 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -371,7 +371,6 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream, * - VIDIOC_S_INPUT * - VIDIOC_S_PARM * - VIDIOC_S_FMT - * - VIDIOC_TRY_FMT * - VIDIOC_REQBUFS */ static int uvc_acquire_privileges(struct uvc_fh *handle) @@ -731,9 +730,6 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) { struct uvc_streaming_control probe; - if ((ret = uvc_acquire_privileges(handle)) < 0) - return ret; - return uvc_v4l2_try_format(stream, arg, &probe, NULL, NULL); } -- 2.7.4