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From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 6 Jun 2012 21:16:27 +0000 (UTC)
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Subject: svn commit: r236695 - in head/lib/libc: include net
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Author: dim
Date: Wed Jun  6 21:16:26 2012
New Revision: 236695
URL: http://svn.freebsd.org/changeset/base/236695

Log:
  Fix two warnings about self-assignment in libc.  These normally only
  trigger with clang, when you either use -save-temps, or ccache.
  
  Reported by:	Sevan / Venture37 <venture37@gmail.com>
  MFC after:	3 days

Modified:
  head/lib/libc/include/port_before.h
  head/lib/libc/net/getaddrinfo.c

Modified: head/lib/libc/include/port_before.h
==============================================================================
--- head/lib/libc/include/port_before.h	Wed Jun  6 18:04:49 2012	(r236694)
+++ head/lib/libc/include/port_before.h	Wed Jun  6 21:16:26 2012	(r236695)
@@ -17,6 +17,6 @@
                 var = _u.v; \
         } while (0)
 
-#define UNUSED(x) (x) = (x)
+#define UNUSED(x) (void)(x)
 
 #endif /* _PORT_BEFORE_H_ */

Modified: head/lib/libc/net/getaddrinfo.c
==============================================================================
--- head/lib/libc/net/getaddrinfo.c	Wed Jun  6 18:04:49 2012	(r236694)
+++ head/lib/libc/net/getaddrinfo.c	Wed Jun  6 21:16:26 2012	(r236695)
@@ -464,7 +464,7 @@ getaddrinfo(const char *hostname, const 
 		}
 		error = get_portmatch(pai, servname);
 		if (error)
-			ERR(error);
+			goto bad;
 
 		*pai = ai0;
 	}