From 1b5fed363aa211d7617acae5103a94c627484ea2 Mon Sep 17 00:00:00 2001
From: Steffen Pohle <steffen@gulpe.de>
Date: Tue, 29 Nov 2022 23:13:39 +0100
Subject: [PATCH] fixed: video for linux device is busy causes fatal error

---
 videodev-v4l2.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/videodev-v4l2.cc b/videodev-v4l2.cc
index ff7b4ee..7a324fe 100644
--- a/videodev-v4l2.cc
+++ b/videodev-v4l2.cc
@@ -204,6 +204,8 @@ int VideoDev_V4L2::Open() {
 	fmt.fmt.pix.field       = V4L2_FIELD_NONE;
 	if (-1 == xioctl (fd, VIDIOC_S_FMT, &fmt)) {
 		fprintf (stderr, "%s:%d VIDIOC_S_FMT : %s\n", __FILE__, __LINE__, strerror (errno));
+		close (fd);
+		fd = -1;
 		return VDEV_STATUS_ERROR;
 	}