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From: Hajimu UMEMOTO <ume@FreeBSD.org>
Date: Mon, 4 Oct 2010 15:28:01 +0000 (UTC)
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Subject: svn commit: r213403 - head/lib/libc/net
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Author: ume
Date: Mon Oct  4 15:28:01 2010
New Revision: 213403
URL: http://svn.freebsd.org/changeset/base/213403

Log:
  Clear errno for each method dispatch.
  
  Spotted by:	Kostik Belousov <kostikbel__at__gmail.com>
  MFC after:	2 weeks

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

Modified: head/lib/libc/net/nsdispatch.c
==============================================================================
--- head/lib/libc/net/nsdispatch.c	Mon Oct  4 14:32:14 2010	(r213402)
+++ head/lib/libc/net/nsdispatch.c	Mon Oct  4 15:28:01 2010	(r213403)
@@ -707,11 +707,13 @@ _nsdispatch(void *retval, const ns_dtab 
 				va_end(ap);
 			} else {
 				cache_flag = 0;
+				errno = 0;
 				va_start(ap, defaults);
 				result = method(retval, mdata, ap);
 				va_end(ap);
 			}
 #else /* NS_CACHING */
+			errno = 0;
 			va_start(ap, defaults);
 			result = method(retval, mdata, ap);
 			va_end(ap);