From: Larry Stefani <lstefani@fortresstech.com>
Date: Fri, 13 Mar 2009 15:04:33 +0000 (+0200)
Subject: Zero struct ifreq data before use in l2_packet_init()
X-Git-Tag: hostap_0_7_0~453
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b7d3a95afc001bdf63a35ec494fbd71629196b04;p=thirdparty%2Fhostap.git

Zero struct ifreq data before use in l2_packet_init()

[Bug 300]
---

diff --git a/src/l2_packet/l2_packet_linux.c b/src/l2_packet/l2_packet_linux.c
index 9def7ffc4..fb357705e 100644
--- a/src/l2_packet/l2_packet_linux.c
+++ b/src/l2_packet/l2_packet_linux.c
@@ -115,6 +115,7 @@ struct l2_packet_data * l2_packet_init(
 		os_free(l2);
 		return NULL;
 	}
+	os_memset(&ifr, 0, sizeof(ifr));
 	os_strlcpy(ifr.ifr_name, l2->ifname, sizeof(ifr.ifr_name));
 	if (ioctl(l2->fd, SIOCGIFINDEX, &ifr) < 0) {
 		perror("ioctl[SIOCGIFINDEX]");