From: F. Aragon <paco@voltanet.io>
Date: Thu, 20 Sep 2018 14:42:31 +0000 (+0200)
Subject: tools: return check (Coverity 1399196)
X-Git-Tag: frr-7.1-dev~351^2
X-Git-Url: https://git.puffer.fish/?a=commitdiff_plain;h=refs%2Fpull%2F3060%2Fhead;p=mirror%2Ffrr.git

tools: return check (Coverity 1399196)

Signed-off-by: F. Aragon <paco@voltanet.io>
---

diff --git a/tools/start-stop-daemon.c b/tools/start-stop-daemon.c
index cc0315c130..8daeda7402 100644
--- a/tools/start-stop-daemon.c
+++ b/tools/start-stop-daemon.c
@@ -1030,7 +1030,9 @@ int main(int argc, char **argv)
 		/* change tty */
 		fd = open("/dev/tty", O_RDWR);
 		if (fd >= 0) {
-			ioctl(fd, TIOCNOTTY, 0);
+			if (ioctl(fd, TIOCNOTTY, 0) < 0)
+				printf("ioctl TIOCNOTTY failed: %s\n",
+				       strerror(errno));
 			close(fd);
 		}
 		chdir("/");