File nss-dns-memleak-2.patch of Package glibc.2646

Index: glibc-2.19/resolv/nss_dns/dns-host.c
===================================================================
--- glibc-2.19.orig/resolv/nss_dns/dns-host.c
+++ glibc-2.19/resolv/nss_dns/dns-host.c
@@ -315,7 +315,11 @@ _nss_dns_gethostbyname4_r (const char *n
   int n = __libc_res_nsearch (&_res, name, C_IN, T_UNSPEC,
 			      host_buffer.buf->buf, 2048, &host_buffer.ptr,
 			      &ans2p, &nans2p, &resplen2, &ans2p_malloced);
-  if (n < 0)
+  if (n >= 0)
+    status = gaih_getanswer(host_buffer.buf, n, (const querybuf *) ans2p,
+			    resplen2, name, pat, buffer, buflen,
+			    errnop, herrnop, ttlp);
+  else
     {
       switch (errno)
 	{
@@ -342,17 +346,8 @@ _nss_dns_gethostbyname4_r (const char *n
 	*errnop = EAGAIN;
       else
 	__set_errno (olderr);
-
-      if (host_buffer.buf != orig_host_buffer)
-	free (host_buffer.buf);
-
-      return status;
     }
 
-  status = gaih_getanswer(host_buffer.buf, n, (const querybuf *) ans2p,
-			  resplen2, name, pat, buffer, buflen,
-			  errnop, herrnop, ttlp);
-
   /* Check whether ans2p was separately allocated.  */
   if (ans2p_malloced)
     free (ans2p);