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From: Hajimu UMEMOTO <ume@FreeBSD.org>
Date: Sat, 12 Dec 2015 14:42:50 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r292129 - head/lib/libc/net
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Author: ume
Date: Sat Dec 12 14:42:50 2015
New Revision: 292129
URL: https://svnweb.freebsd.org/changeset/base/292129

Log:
  RFC 3493 requires ignoring the loopback address for A_ADDRCONFIG.
  Since it breaks certain jail setup, we ignore just 127.0.0.1
  instead of whole loopback address range.
  
  PR:		192014
  Reviewed by:	hrs
  MFC after:	1 week

Modified:
  head/lib/libc/net/getaddrinfo.c

Modified: head/lib/libc/net/getaddrinfo.c
==============================================================================
--- head/lib/libc/net/getaddrinfo.c	Sat Dec 12 14:08:29 2015	(r292128)
+++ head/lib/libc/net/getaddrinfo.c	Sat Dec 12 14:42:50 2015	(r292129)
@@ -1563,7 +1563,7 @@ addrconfig(struct addrinfo *pai)
 			if (seen_inet)
 				continue;
 			sin = (struct sockaddr_in *)(ifa->ifa_addr);
-			if (IN_LOOPBACK(htonl(sin->sin_addr.s_addr)))
+			if (htonl(sin->sin_addr.s_addr) == INADDR_LOOPBACK)
 				continue;
 			seen_inet = 1;
 			break;