From 500d3017000bbe9954518acafe013f25e806b0b0 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Wed, 18 Oct 2017 22:45:02 +0200
Subject: [PATCH] tty_unregister(): Fix possible out-of-bounds access, found by
 Coverity Scan

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 src/tty.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/tty.c b/src/tty.c
index d4bc7621..287a6073 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -284,8 +284,9 @@ int tty_unregister(tty_node_t *tty)
 		int i;
 
 		free(tty->data.cmd);
-		for (i = 0; tty->data.args[i] && i < TTY_MAX_ARGS; i++) {
-			free(tty->data.args[i]);
+		for (i = 0; i < TTY_MAX_ARGS; i++) {
+			if (tty->data.args[i])
+				free(tty->data.args[i]);
 			tty->data.args[i] = NULL;
 		}
 	}