From 0a1abce976941945d04441ca90e95c18c6f90a16 Mon Sep 17 00:00:00 2001
From: phyto <tth@phytotron.tetalab.org>
Date: Sat, 20 Jul 2019 04:09:39 +0200
Subject: [PATCH] better error handling, part 28

---
 v4l2/grabvidseq.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/v4l2/grabvidseq.c b/v4l2/grabvidseq.c
index caf5306..ac4c2bb 100644
--- a/v4l2/grabvidseq.c
+++ b/v4l2/grabvidseq.c
@@ -49,6 +49,7 @@ do {
 
 if (r == -1) {
 	fprintf(stderr, "error %d, %s\n", errno, strerror(errno));
+	sleep(1);
 	exit(EXIT_FAILURE);
 	}
 }
@@ -103,7 +104,7 @@ if (verbosity) {
 
 fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0);
 if (fd < 0) {
-	perror("Cannot open device");
+	perror(dev_name);
 	exit(EXIT_FAILURE);
 	}