From: Russell Bryant <russell@russellbryant.com>
Date: Sun, 24 Oct 2004 21:09:40 +0000 (+0000)
Subject: make sure malloc was successful before doing memset (bug #2704)
X-Git-Tag: 1.0.11.1~421
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7098a28be5ca2b47c01d83ba241b569bd90c267;p=thirdparty%2Fasterisk.git

make sure malloc was successful before doing memset (bug #2704)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4087 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_modem.c b/channels/chan_modem.c
index c2f3bf0f9e..d53d3958a5 100755
--- a/channels/chan_modem.c
+++ b/channels/chan_modem.c
@@ -707,8 +707,8 @@ 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);