From: James Golovich <james@gnuinter.net>
Date: Sat, 23 Oct 2004 06:03:29 +0000 (+0000)
Subject: Make sure malloc worked before accessing the mem in chan_modem.c (bug 2704)
X-Git-Tag: 1.2.0-beta1~1974
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=10dfeecffe922532c55191de0f18263870366905;p=thirdparty%2Fasterisk.git

Make sure malloc worked before accessing the mem in chan_modem.c (bug 2704)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@4054 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_modem.c b/channels/chan_modem.c
index 677edd4fb3..a911f41e11 100755
--- a/channels/chan_modem.c
+++ b/channels/chan_modem.c
@@ -712,8 +712,8 @@ static struct ast_modem_pvt *mkif(char *iface)
 #endif
 	
 	tmp = malloc(sizeof(struct ast_modem_pvt));
-	memset(tmp, 0, sizeof(struct ast_modem_pvt));
 	if (tmp) {
+		memset(tmp, 0, sizeof(struct ast_modem_pvt));
 		tmp->fd = open(iface, O_RDWR | O_NONBLOCK);
 		if (tmp->fd < 0) {
 			ast_log(LOG_WARNING, "Unable to open '%s'\n", iface);