From: Roy Marples <roy@marples.name>
Date: Sun, 20 Dec 2020 07:08:08 +0000 (+0000)
Subject: DHCP: Fix reading RENEW messages from inet socket
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54d8f218061008278c07fda7abff06c4a2c31d2c;p=thirdparty%2Fdhcpcd.git

DHCP: Fix reading RENEW messages from inet socket

It helps to use the correct buffer to store the control message ....
---

diff --git a/src/dhcp.c b/src/dhcp.c
index 6333c27c..84006a94 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -3521,7 +3521,7 @@ dhcp_readudp(struct dhcpcd_ctx *ctx, struct interface *ifp)
 	struct msghdr msg = {
 	    .msg_name = &from, .msg_namelen = sizeof(from),
 	    .msg_iov = &iov, .msg_iovlen = 1,
-	    .msg_control = buf, .msg_controllen = sizeof(cmsgbuf.buf),
+	    .msg_control = cmsgbuf.buf, .msg_controllen = sizeof(cmsgbuf.buf),
 	};
 	int s;
 	ssize_t bytes;