From: Michael Jerris <mike@jerris.com>
Date: Mon, 2 Jun 2014 14:10:59 +0000 (+0000)
Subject: CID:1216560 Unchecked return value from ioctl
X-Git-Tag: v1.4.6~1^2~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e992c4c4d823dae494a90ea0141f763b4f5d4df1;p=thirdparty%2Ffreeswitch.git

CID:1216560 Unchecked return value from ioctl
---

diff --git a/libs/esl/fs_cli.c b/libs/esl/fs_cli.c
index b7b764427d..55b299b570 100644
--- a/libs/esl/fs_cli.c
+++ b/libs/esl/fs_cli.c
@@ -139,10 +139,10 @@ static void screen_size(int *x, int *y)
 
 #elif defined(TIOCGWINSZ)
 	struct winsize w;
-	ioctl(0, TIOCGWINSZ, &w);
-
-	if (x) *x = w.ws_col;
-	if (y) *y = w.ws_row;
+	if ( (ioctl(0, TIOCGWINSZ, &w)) >= 0 ) {
+		if (x) *x = w.ws_col;
+		if (y) *y = w.ws_row;
+	}
 #else
 	if (x) *x = 80;
 	if (y) *y = 24;