From: Christian Brauner <christian.brauner@canonical.com>
Date: Fri, 28 Oct 2016 18:06:40 +0000 (+0200)
Subject: conf/ile: use lxc_safe_uint() in config_tty()
X-Git-Tag: lxc-2.1.0~257^2~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c30b4adbd2b6884bbe680ae794f28ae50a0ca30;p=thirdparty%2Flxc.git

conf/ile: use lxc_safe_uint() in config_tty()

Signed-off-by: Christian Brauner <christian.brauner@canonical.com>
---

diff --git a/src/lxc/conf.h b/src/lxc/conf.h
index 3a23f55a1..4fd5b108a 100644
--- a/src/lxc/conf.h
+++ b/src/lxc/conf.h
@@ -293,7 +293,7 @@ struct saved_nic {
 struct lxc_conf {
 	int is_execute;
 	char *fstab;
-	int tty;
+	unsigned int tty;
 	unsigned int pts;
 	int reboot;
 	int need_utmp_watch;
diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 614baacf6..b6d5af001 100644
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -1260,9 +1260,8 @@ freak_out:
 static int config_tty(const char *key, const char *value,
 		      struct lxc_conf *lxc_conf)
 {
-	int nbtty = atoi(value);
-
-	lxc_conf->tty = nbtty;
+	if (lxc_safe_uint(value, &lxc_conf->tty) < 0)
+		return -1;
 
 	return 0;
 }