X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fsys-linux.c;h=b091030d708f4eafb29fcb66e0b7913f7356953e;hb=7e54469ed4f3c2ecc1006475dcd10df1d1fe35d3;hp=aba33d3b413e2a65d8839e82317bb5c065bbbc19;hpb=a762f529e9e62b382f66a8aedfc1c52cd6ff90d0;p=ppp.git

diff --git a/pppd/sys-linux.c b/pppd/sys-linux.c
index aba33d3..b091030 100644
--- a/pppd/sys-linux.c
+++ b/pppd/sys-linux.c
@@ -2346,11 +2346,13 @@ int sifaddr (int unit, u_int32_t our_adr, u_int32_t his_adr,
 /*
  *  Set the gateway address
  */
-    SIN_ADDR(ifr.ifr_dstaddr) = his_adr;
-    if (ioctl(sock_fd, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
-	if (! ok_error (errno))
-	    error("ioctl(SIOCSIFDSTADDR): %m (line %d)", __LINE__);
-	return (0);
+    if (his_adr != 0) {
+	SIN_ADDR(ifr.ifr_dstaddr) = his_adr;
+	if (ioctl(sock_fd, SIOCSIFDSTADDR, (caddr_t) &ifr) < 0) {
+	    if (! ok_error (errno))
+		error("ioctl(SIOCSIFDSTADDR): %m (line %d)", __LINE__);
+	    return (0);
+	}
     }
 /*
  *  Set the netmask.