From: Roy Marples <roy@marples.name>
Date: Tue, 2 Dec 2014 09:25:14 +0000 (+0000)
Subject: Fix a coverity warning.
X-Git-Tag: v6.6.5~6
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=24b0516e3128200a936fa51c1d08482e92069c6f;p=thirdparty%2Fdhcpcd.git

Fix a coverity warning.
---

diff --git a/dhcpcd.c b/dhcpcd.c
index 5293f971..9e35738f 100644
--- a/dhcpcd.c
+++ b/dhcpcd.c
@@ -449,12 +449,13 @@ configure_interface1(struct interface *ifp)
 			    sizeof(ifo->iaid));
 		else {
 			uint32_t len;
-			
+
 			len = (uint32_t)strlen(ifp->name);
 			if (len <= sizeof(ifo->iaid)) {
 				memcpy(ifo->iaid, ifp->name, len);
-				memset(ifo->iaid + len, 0,
-				    sizeof(ifo->iaid) - len);
+				if (len < sizeof(ifo->iaid))
+					memset(ifo->iaid + len, 0,
+					    sizeof(ifo->iaid) - len);
 			} else {
 				/* IAID is the same size as a uint32_t */
 				len = htonl(ifp->index);