* libio/fmemopen.c (fmemopen): Free stream memory in case of

	invalid length [Coverity CID 106].

	* nss/nss_files/files-key.c (search): Close stream before
	successful return [Coverity CID 107].

	* io/fts.c (fts_open): Don't allocate parent if *argv==NULL
	[Coverity CID 108].

	* sunrpc/rpc_cout.c (inline_struct): Free sizestr after use
	[Coverity CID 110, 109].

	* sunrpc/rpc_scan.c (docppline): Free file string if it is not
	going to be used [Coverity CID 111].

	* sysdeps/unix/sysv/linux/getsourcefilter.c (getsourcefilter): Free
	memory if socket level value cannot be retrieved [Coverity CID 112].

	* nis/nis_clone_dir.c (nis_clone_directory): Free all memory in
	error case [Coverity CID 114].

	* nis/nis_clone_res.c (nis_clone_result): Free all memory in the
	error cases [Coverity CID 115].

	* sunrpc/rpc_parse.c (get_definition): Free defp if tok ==
	TOK_EOF [Coverity CID 116].

	* sysdeps/unix/sysv/linux/setsourcefilter.c (setsourcefilter): Free
	memory if socket level value cannot be retrieved [Coverity CID 117].

	* elf/cache.c (save_cache): Initialize pad to avoid writing
	uninitialized data to disk.

	* elf/cache.c (save_cache): Free file_entries_new [Coverity CID 118].

	* intl/finddomain.c (_nl_find_domain): Avoid strdup of expand
	locale name, use strdupa.  Remove free call [Coverity CID 119].

	* sunrpc/rpc_main.c (generate_guard): Avoid extra allocation and
	the resulting leak [Coverity CID 121].

	* sunrpc/rpc_main.c (mkfile_output): Free all allocated memory
	[Coverity CID 122].

	* sunrpc/rpc_main.c (h_output): Free guard after we are done
	[Coverity CID 123].

	* sunrpc/svc_udp.c (cache_set): Free victim if newbuf allocation
	fails [Coverity CID 126].

	* sunrpc/svc_udp.c (svcudp_enablecache): Free memory in error
	cases [Coverity CID 127].

	* nis/nis_table.c (__create_ib_request): Free ibreq in case strdup
	fails [Coverity CID 128].

	* nis/nis_getservlist.c (nis_getservlist): Free all memory in case
	of an error [Coverity CID 130, 129].

	* nis/nis_print_group_entry.c (nis_print_group_entry): If
	nis_lookup call failed, return.  Free lookup result in error
	cases [Coverity CID 131].

	* nis/nis_removemember.c (nis_removemember): Free all memory in
	error cases [Coverity CID 132].

	* nis/nss_nisplus/nisplus-alias.c (_nss_nisplus_getaliasbyname_r):
	Always free lookup result [Coverity CID 134].

	* nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_gethostton_r):
	Always free lookup result [Coverity CID 135].

	* nis/nss_nisplus/nisplus-ethers.c (_nss_nisplus_getntohost_r):
	Always free lookup result [Coverity CID 136].

	* nis/nss_nisplus/nisplus-network.c (_nss_nisplus_getnetbyaddr_r):
	Before retrying, free old result [Coverity CID 137].

	* nis/nss_nisplus/nisplus-publickey.c (_nss_nisplus_netname2user):
	Free res in case UID is zero [Coverity CID 138].

	* nis/ypclnt.c (yp_update): Always free master string
	[Coverity CID 140].

	* nis/nis_creategroup.c (nis_creategroup): Free all memory in
	error cases [Coverity CID 143, 142, 141].

	* nis/nss_nis/nis-publickey.c (_nss_nis_getpublickey): Free result
	if yp_match call succeeded [Coverity CID 155].

	* nis/nss_nis/nis-publickey.c (_nss_nis_getsecretkey): Free string
	allocated in yp_match at all times [Coverity CID 157, 156].

	* nscd/nscd.c (write_pid): Close stream also if writing failed
	[Coverity CID 165].

	* nis/nis_table.c (nis_add_entry): Move test for NULL parameter
	ahead of first use [Coverity CID 167].

	* nis/nss_nis/nis-alias.c (_nss_nis_getaliasbyname_r): Move test
	for NULL parameter ahead of first use [Coverity CID 168].

	* intl/finddomain.c (_nl_find_domain): We never return NULL if we
	found the locale [Coverity CID 169].

	* inet/getnameinfo.c (getnameinfo): __getservbyport_r does not set
	herrno [Coverity CID 178].

	* nis/nis_checkpoint.c (nis_checkpoint): Don't access and returned
	freed object [Coverity CID 182].

15 files changed, 182 insertions, 109 deletions

diff --git a/nis/nis_checkpoint.c b/nis/nis_checkpoint.c
index 0146d53054..23c4707b6f 100644
--- a/nis/nis_checkpoint.c
+++ b/nis/nis_checkpoint.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -24,7 +24,7 @@
 #include "nis_intern.h"
 
 nis_result *
-nis_checkpoint(const_nis_name dirname)
+nis_checkpoint (const_nis_name dirname)
 {
   nis_result *res;
 
@@ -48,7 +48,6 @@ nis_checkpoint(const_nis_name dirname)
       if (__type_of (NIS_RES_OBJECT (res2)) != NIS_DIRECTORY_OBJ)
 	{
 	  nis_freeresult (res2);
-	  nis_freeresult (res);
 	  NIS_RES_STATUS (res) = NIS_INVALIDOBJ;
 	  return res;
 	}
diff --git a/nis/nis_clone_dir.c b/nis/nis_clone_dir.c
index 92e883fde9..f94a1eeb74 100644
--- a/nis/nis_clone_dir.c
+++ b/nis/nis_clone_dir.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -29,15 +29,24 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
   char *addr;
   unsigned int size;
   XDR xdrs;
-  directory_obj *res;
 
   if (src == NULL)
-    return (NULL);
+    return NULL;
 
   size = xdr_sizeof ((xdrproc_t)_xdr_directory_obj, (char *)src);
   if ((addr = calloc(1, size)) == NULL)
     return NULL;
 
+  xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
+  if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
+    {
+      xdr_destroy (&xdrs);
+      free (addr);
+      return NULL;
+    }
+  xdr_destroy (&xdrs);
+
+  directory_obj *res;
   if (dest == NULL)
     {
       if ((res = calloc (1, sizeof (directory_obj))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_directory (const directory_obj *src, directory_obj *dest)
   else
     res = dest;
 
-  xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
-  if (!_xdr_directory_obj (&xdrs, (directory_obj *)src))
-    {
-      xdr_destroy (&xdrs);
-      free (addr);
-      return NULL;
-    }
-  xdr_destroy (&xdrs);
   xdrmem_create (&xdrs, addr, size, XDR_DECODE);
   if (!_xdr_directory_obj (&xdrs, res))
     {
       xdr_destroy (&xdrs);
+      if (res != dest)
+	free (res);
       free (addr);
       return NULL;
     }
diff --git a/nis/nis_clone_res.c b/nis/nis_clone_res.c
index a0e098c1ed..021f7cb4f4 100644
--- a/nis/nis_clone_res.c
+++ b/nis/nis_clone_res.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -29,7 +29,6 @@ nis_clone_result (const nis_result *src, nis_result *dest)
   char *addr;
   unsigned int size;
   XDR xdrs;
-  nis_result *res;
 
   if (src == NULL)
     return (NULL);
@@ -38,6 +37,16 @@ nis_clone_result (const nis_result *src, nis_result *dest)
   if ((addr = calloc(1, size)) == NULL)
     return NULL;
 
+  xdrmem_create (&xdrs, addr, size, XDR_ENCODE);
+  if (!_xdr_nis_result (&xdrs, (nis_result *)src))
+    {
+      xdr_destroy (&xdrs);
+      free (addr);
+      return NULL;
+    }
+  xdr_destroy (&xdrs);
+
+  nis_result *res;
   if (dest == NULL)
     {
       if ((res = calloc (1, sizeof (nis_result))) == NULL)
@@ -49,18 +58,12 @@ nis_clone_result (const nis_result *src, nis_result *dest)
   else
     res = dest;
 
-  xdrmem_create(&xdrs, addr, size, XDR_ENCODE);
-  if (!_xdr_nis_result (&xdrs, (nis_result *)src))
-    {
-      xdr_destroy (&xdrs);
-      free (addr);
-      return NULL;
-    }
-  xdr_destroy (&xdrs);
-  xdrmem_create(&xdrs, addr, size, XDR_DECODE);
-  if (!_xdr_nis_result(&xdrs, res))
+  xdrmem_create (&xdrs, addr, size, XDR_DECODE);
+  if (!_xdr_nis_result (&xdrs, res))
     {
       xdr_destroy (&xdrs);
+      if (res != dest)
+	free (res);
       free (addr);
       return NULL;
     }
diff --git a/nis/nis_creategroup.c b/nis/nis_creategroup.c
index 3786461d64..a7808abf4b 100644
--- a/nis/nis_creategroup.c
+++ b/nis/nis_creategroup.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
 
@@ -46,7 +46,7 @@ nis_creategroup (const_nis_name group, unsigned int flags)
       else
 	return NIS_BADNAME;
 
-      obj = malloc (sizeof (nis_object));
+      obj = calloc (1, sizeof (nis_object));
       if (__builtin_expect (obj == NULL, 0))
 	return NIS_NOMEMORY;
 
@@ -57,7 +57,13 @@ nis_creategroup (const_nis_name group, unsigned int flags)
       obj->zo_domain = strdup (domainbuf);
       if (obj->zo_name == NULL || obj->zo_owner == NULL
 	  || obj->zo_group == NULL || obj->zo_domain == NULL)
-	return NIS_NOMEMORY;
+	{
+	  free (obj->zo_group);
+	  free (obj->zo_owner);
+	  free (obj->zo_name);
+	  free (obj);
+	  return NIS_NOMEMORY;
+	}
       obj->zo_access = __nis_default_access (NULL, 0);
       obj->zo_ttl = 60 * 60;
       obj->zo_data.zo_type = NIS_GROUP_OBJ;
@@ -66,11 +72,11 @@ nis_creategroup (const_nis_name group, unsigned int flags)
       obj->zo_data.objdata_u.gr_data.gr_members.gr_members_val = NULL;
 
       res = nis_add (buf, obj);
+      nis_free_object (obj);
       if (res == NULL)
 	return NIS_NOMEMORY;
       status = NIS_RES_STATUS (res);
       nis_freeresult (res);
-      nis_free_object (obj);
 
       return status;
     }
diff --git a/nis/nis_getservlist.c b/nis/nis_getservlist.c
index 315960c8e8..bea9d4dbc0 100644
--- a/nis/nis_getservlist.c
+++ b/nis/nis_getservlist.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999, 2000, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -40,7 +40,10 @@ nis_getservlist (const_nis_name dir)
 	malloc (sizeof (nis_server *) *
 		(NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len + 1));
       if (__builtin_expect (serv == NULL, 0))
-	return NULL;
+	{
+	  nis_freeresult (res);
+	  return NULL;
+	}
 
       for (i = 0; i < NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_len;
 	   ++i)
@@ -49,13 +52,37 @@ nis_getservlist (const_nis_name dir)
 	    &NIS_RES_OBJECT (res)->DI_data.do_servers.do_servers_val[i];
 	  serv[i] = calloc (1, sizeof (nis_server));
 	  if (__builtin_expect (serv[i] == NULL, 0))
-	    return NULL;
+	    {
+	    free_all:
+	      while (i-- > 0)
+		{
+		  free (serv[i]->pkey.n_bytes);
+		  if (serv[i]->ep.ep_val != NULL)
+		    {
+		      unsigned long int j;
+		      for (j = 0; j < serv[i]->ep.ep_len; ++j)
+			{
+			  free (serv[i]->ep.ep_val[j].proto);
+			  free (serv[i]->ep.ep_val[j].family);
+			  free (serv[i]->ep.ep_val[j].uaddr);
+			}
+		      free (serv[i]->ep.ep_val);
+		    }
+		  free (serv[i]->name);
+		  free (serv[i]);
+		}
+
+	      return NULL;
+	    }
 
 	  if (server->name != NULL)
 	    {
 	      serv[i]->name = strdup (server->name);
 	      if (__builtin_expect (serv[i]->name == NULL, 0))
-		return NULL;
+		{
+		  ++i;
+		  goto free_all;
+		}
 	    }
 
           serv[i]->ep.ep_len = server->ep.ep_len;
@@ -66,7 +93,10 @@ nis_getservlist (const_nis_name dir)
               serv[i]->ep.ep_val =
 		malloc (server->ep.ep_len * sizeof (endpoint));
 	      if (__builtin_expect (serv[i]->ep.ep_val == NULL, 0))
-		return NULL;
+		{
+		  ++i;
+		  goto free_all;
+		}
 
               for (j = 0; j < serv[i]->ep.ep_len; ++j)
                 {
@@ -87,20 +117,20 @@ nis_getservlist (const_nis_name dir)
 		    serv[i]->ep.ep_val[j].proto = NULL;
                 }
             }
-          else
-	    serv[i]->ep.ep_val = NULL;
+
           serv[i]->key_type = server->key_type;
           serv[i]->pkey.n_len = server->pkey.n_len;
           if (server->pkey.n_len > 0)
             {
               serv[i]->pkey.n_bytes = malloc (server->pkey.n_len);
               if (__builtin_expect (serv[i]->pkey.n_bytes == NULL, 0))
-                return NULL;
+		{
+		  ++i;
+		  goto free_all;
+		}
               memcpy (serv[i]->pkey.n_bytes, server->pkey.n_bytes,
                       server->pkey.n_len);
             }
-          else
-            serv[i]->pkey.n_bytes = NULL;
         }
       serv[i] = NULL;
     }
diff --git a/nis/nis_print_group_entry.c b/nis/nis_print_group_entry.c
index 6f0ba8fbd4..91e6399b90 100644
--- a/nis/nis_print_group_entry.c
+++ b/nis/nis_print_group_entry.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 2000, 2004 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 2000, 2004, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -45,12 +45,16 @@ nis_print_group_entry (const_nis_name group)
 	}
       res = nis_lookup (buf, FOLLOW_LINKS | EXPAND_NAME);
 
-      if (NIS_RES_STATUS(res) != NIS_SUCCESS)
+      if (res == NULL)
 	return;
 
-      if ((NIS_RES_NUMOBJ (res) != 1) ||
-	  (__type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ))
-	return;
+      if (NIS_RES_STATUS (res) != NIS_SUCCESS
+	  || NIS_RES_NUMOBJ (res) != 1
+	  || __type_of (NIS_RES_OBJECT (res)) != NIS_GROUP_OBJ)
+	{
+	  nis_freeresult (res);
+	  return;
+	}
 
       char *mem_exp[NIS_RES_NUMOBJ (res)];
       char *mem_imp[NIS_RES_NUMOBJ (res)];
diff --git a/nis/nis_removemember.c b/nis/nis_removemember.c
index 122c3022ff..21fe13aedf 100644
--- a/nis/nis_removemember.c
+++ b/nis/nis_removemember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1998,1999,2004,2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
 
@@ -68,7 +68,10 @@ nis_removemember (const_nis_name member, const_nis_name group)
 	calloc (NIS_RES_OBJECT(res)->GR_data.gr_members.gr_members_len,
 		sizeof (char *));
       if (newmem == NULL)
-	return NIS_NOMEMORY;
+	{
+	  nis_freeresult (res);
+	  return NIS_NOMEMORY;
+	}
 
       k = NIS_RES_OBJECT (res)[0].GR_data.gr_members.gr_members_len;
       j = 0;
@@ -96,6 +99,7 @@ nis_removemember (const_nis_name member, const_nis_name group)
       if (newp == NULL)
 	{
 	  free (newmem);
+	  nis_freeresult (res);
 	  return NIS_NOMEMORY;
 	}
       newmem = newp;
diff --git a/nis/nis_table.c b/nis/nis_table.c
index 2ef28ac59b..f56b499f60 100644
--- a/nis/nis_table.c
+++ b/nis/nis_table.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997,1998,1999,2003,2004,2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997-1999,2003,2004,2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
 
@@ -41,7 +41,15 @@ __create_ib_request (const_nis_name name, unsigned int flags)
 
   /* Not of "[key=value,key=value,...],foo.." format? */
   if (cptr[0] != '[')
-    return (ibreq->ibr_name = strdup (cptr)) == NULL ? NULL : ibreq;
+    {
+      ibreq->ibr_name = strdup (cptr);
+      if (ibreq->ibr_name == NULL)
+	{
+	  free (ibreq);
+	  return NULL;
+	}
+      return ibreq;
+    }
 
   /* "[key=value,...],foo" format */
   ibreq->ibr_name = strchr (cptr, ']');
@@ -497,15 +505,7 @@ libnsl_hidden_def (nis_list)
 nis_result *
 nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
 {
-  nis_object obj;
-  nis_result *res;
-  nis_error status;
-  ib_request *ibreq;
-  size_t namelen = strlen (name);
-  char buf1[namelen + 20];
-  char buf4[namelen + 20];
-
-  res = calloc (1, sizeof (nis_result));
+  nis_result *res = calloc (1, sizeof (nis_result));
   if (res == NULL)
     return NULL;
 
@@ -515,12 +515,18 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
       return res;
     }
 
-  if ((ibreq = __create_ib_request (name, flags)) == NULL)
+  size_t namelen = strlen (name);
+  char buf1[namelen + 20];
+  char buf4[namelen + 20];
+
+  ib_request *ibreq = __create_ib_request (name, flags);
+  if (ibreq == NULL)
     {
       NIS_RES_STATUS (res) = NIS_BADNAME;
       return res;
     }
 
+  nis_object obj;
   memcpy (&obj, obj2, sizeof (nis_object));
 
   if (obj.zo_name == NULL || strlen (obj.zo_name) == 0)
@@ -543,11 +549,12 @@ nis_add_entry (const_nis_name name, const nis_object *obj2, unsigned int flags)
     }
   ibreq->ibr_obj.ibr_obj_len = 1;
 
-  if ((status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
-			      (xdrproc_t) _xdr_ib_request,
-			      (caddr_t) ibreq,
-			      (xdrproc_t) _xdr_nis_result,
-			      (caddr_t) res, 0, NULL)) != NIS_SUCCESS)
+  nis_error status = __do_niscall (ibreq->ibr_name, NIS_IBADD,
+				   (xdrproc_t) _xdr_ib_request,
+				   (caddr_t) ibreq,
+				   (xdrproc_t) _xdr_nis_result,
+				   (caddr_t) res, 0, NULL);
+  if (status  != NIS_SUCCESS)
     NIS_RES_STATUS (res) = status;
 
   nis_free_request (ibreq);
diff --git a/nis/nss_nis/nis-alias.c b/nis/nss_nis/nis-alias.c
index 3b0887be04..1da999be2f 100644
--- a/nis/nss_nis/nis-alias.c
+++ b/nis/nss_nis/nis-alias.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2002, 2003, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1996.
 
@@ -206,32 +206,29 @@ enum nss_status
 _nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias,
 			   char *buffer, size_t buflen, int *errnop)
 {
-  enum nss_status retval;
-  int parse_res;
-  char *domain;
-  char *result;
-  int len;
-  char *p;
-  size_t namlen = strlen (name);
-  char name2[namlen + 1];
-  size_t i;
-
   if (name == NULL)
     {
       *errnop = EINVAL;
       return NSS_STATUS_UNAVAIL;
     }
 
+  size_t namlen = strlen (name);
+  char name2[namlen + 1];
+
+  char *domain;
   if (yp_get_default_domain (&domain))
     return NSS_STATUS_UNAVAIL;
 
   /* Convert name to lowercase.  */
+  size_t i;
   for (i = 0; i < namlen; ++i)
     name2[i] = _tolower (name[i]);
   name2[i] = '\0';
 
-  retval = yperr2nss (yp_match (domain, "mail.aliases", name2, namlen,
-				&result, &len));
+  char *result;
+  int len;
+  enum nss_status retval = yperr2nss (yp_match (domain, "mail.aliases", name2,
+						namlen, &result, &len));
 
   if (retval != NSS_STATUS_SUCCESS)
     {
@@ -247,14 +244,15 @@ _nss_nis_getaliasbyname_r (const char *name, struct aliasent *alias,
       return NSS_STATUS_TRYAGAIN;
     }
 
-  p = strncpy (buffer, result, len);
+  char *p = strncpy (buffer, result, len);
   buffer[len] = '\0';
   while (isspace (*p))
     ++p;
   free (result);
 
   alias->alias_local = 0;
-  parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen, errnop);
+  int parse_res = _nss_nis_parse_aliasent (name, p, alias, buffer, buflen,
+					   errnop);
   if (parse_res < 1)
     {
       if (parse_res == -1)
diff --git a/nis/nss_nis/nis-publickey.c b/nis/nss_nis/nis-publickey.c
index 5aa41b8c17..f82db192a6 100644
--- a/nis/nss_nis/nis-publickey.c
+++ b/nis/nss_nis/nis-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-1999,2001,2002,2005 Free Software Foundation, Inc.
+/* Copyright (C) 1996-1999,2001,2002,2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
 
@@ -73,6 +73,7 @@ _nss_nis_getpublickey (const char *netname, char *pkey, int *errnop)
 	*p = 0;
       strncpy (pkey, result, HEXKEYBYTES + 1);
       pkey[HEXKEYBYTES] = '\0';
+      free (result);
     }
   return NSS_STATUS_SUCCESS;
 }
@@ -115,20 +116,20 @@ _nss_nis_getsecretkey (const char *netname, char *skey, char *passwd,
   if (result != NULL)
     {
       char *p = strchr (result, ':');
-      if (p == NULL)
-	return NSS_STATUS_SUCCESS;
-
-      ++p;
-      strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
-      buf[2 * HEXKEYBYTES + 1] = '\0';
-      if (!xdecrypt (buf, passwd))
-	return NSS_STATUS_SUCCESS;
-
-      if (memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) != 0)
-	return NSS_STATUS_SUCCESS;
-
-      buf[HEXKEYBYTES] = '\0';
-      strcpy (skey, buf);
+      if (p != NULL)
+	{
+	  ++p;
+	  strncpy (buf, p, 2 * (HEXKEYBYTES + 1));
+	  buf[2 * HEXKEYBYTES + 1] = '\0';
+	  if (xdecrypt (buf, passwd)
+	      && memcmp (buf, &(buf[HEXKEYBYTES]), KEYCHECKSUMSIZE) == 0)
+	    {
+	      buf[HEXKEYBYTES] = '\0';
+	      strcpy (skey, buf);
+	    }
+	}
+
+      free (result);
     }
   return NSS_STATUS_SUCCESS;
 }
diff --git a/nis/nss_nisplus/nisplus-alias.c b/nis/nss_nisplus/nisplus-alias.c
index d7926e1566..86ea5d7a1e 100644
--- a/nis/nss_nisplus/nisplus-alias.c
+++ b/nis/nss_nisplus/nisplus-alias.c
@@ -304,10 +304,18 @@ _nss_nisplus_getaliasbyname_r (const char *name, struct aliasent *alias,
     }
 
   if (__builtin_expect (niserr2nss (result->status) != NSS_STATUS_SUCCESS, 0))
-    return niserr2nss (result->status);
+    {
+      enum nss_status status = niserr2nss (result->status);
+      nis_freeresult (result);
+      return status;
+    }
 
   parse_res = _nss_nisplus_parse_aliasent (result, 0, alias,
 					   buffer, buflen, errnop);
+
+  /* We do not need the lookup result anymore.  */
+  nis_freeresult (result);
+
   if (__builtin_expect (parse_res < 1, 0))
     {
       __set_errno (olderr);
diff --git a/nis/nss_nisplus/nisplus-ethers.c b/nis/nss_nisplus/nisplus-ethers.c
index ca0a9e2481..8b628fca81 100644
--- a/nis/nss_nisplus/nisplus-ethers.c
+++ b/nis/nss_nisplus/nisplus-ethers.c
@@ -261,17 +261,18 @@ _nss_nisplus_gethostton_r (const char *name, struct etherent *eth,
 
   int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
 					       buflen, errnop);
+
+  /* We do not need the lookup result anymore.  */
+  nis_freeresult (result);
+
   if (__builtin_expect (parse_res < 1, 0))
     {
       __set_errno (olderr);
 
       if (parse_res == -1)
-	{
-	  nis_freeresult (result);
-	  return NSS_STATUS_TRYAGAIN;
-	}
-      else
-	return NSS_STATUS_NOTFOUND;
+	return NSS_STATUS_TRYAGAIN;
+
+      return NSS_STATUS_NOTFOUND;
     }
 
   return NSS_STATUS_SUCCESS;
@@ -326,13 +327,14 @@ _nss_nisplus_getntohost_r (const struct ether_addr *addr, struct etherent *eth,
 
   int parse_res = _nss_nisplus_parse_etherent (result, eth, buffer,
 					       buflen, errnop);
+
+  /* We do not need the lookup result anymore.  */
+  nis_freeresult (result);
+
   if (__builtin_expect (parse_res < 1, 0))
     {
       if (parse_res == -1)
-	{
-	  nis_freeresult (result);
-	  return NSS_STATUS_TRYAGAIN;
-	}
+	return NSS_STATUS_TRYAGAIN;
 
       return NSS_STATUS_NOTFOUND;
     }
diff --git a/nis/nss_nisplus/nisplus-network.c b/nis/nss_nisplus/nisplus-network.c
index 960c0558e9..211e7c3607 100644
--- a/nis/nss_nisplus/nisplus-network.c
+++ b/nis/nss_nisplus/nisplus-network.c
@@ -443,6 +443,7 @@ _nss_nisplus_getnetbyaddr_r (uint32_t addr, const int type,
 		   removed (one by one) */
 		buf2[b2len - 2] = '\0';
 		b2len -= 2;
+		nis_freeresult (result);
 		continue;
 	      }
 
diff --git a/nis/nss_nisplus/nisplus-publickey.c b/nis/nss_nisplus/nisplus-publickey.c
index c24e898137..24b22d97a0 100644
--- a/nis/nss_nisplus/nisplus-publickey.c
+++ b/nis/nss_nisplus/nisplus-publickey.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1999, 2001, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (c) 1997,1999,2001,2003,2005,2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
 
@@ -394,6 +394,7 @@ _nss_nisplus_netname2user (char netname[MAXNETNAMELEN + 1], uid_t *uidp,
   if (*uidp == 0)
     {
       syslog (LOG_ERR, _("netname2user: should not have uid 0"));
+      nis_freeresult (res);
       return NSS_STATUS_NOTFOUND;
     }
 
diff --git a/nis/ypclnt.c b/nis/ypclnt.c
index 78adf6aeec..65bc8d1f50 100644
--- a/nis/ypclnt.c
+++ b/nis/ypclnt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2001, 2002, 2003, 2004, 2005
+/* Copyright (C) 1996-2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@suse.de>, 1996.
@@ -955,16 +955,22 @@ yp_update (char *domain, char *map, unsigned ypop,
   args.update_args.datum.yp_buf_len = datalen;
   args.update_args.datum.yp_buf_val = data;
 
-  if ((r = yp_master (domain, map, &master)) != 0)
+  if ((r = yp_master (domain, map, &master)) != YPERR_SUCCESS)
     return r;
 
   if (!host2netname (servername, master, domain))
     {
       fputs (_("yp_update: cannot convert host to netname\n"), stderr);
+      free (master);
       return YPERR_YPERR;
     }
 
-  if ((clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp")) == NULL)
+  clnt = clnt_create (master, YPU_PROG, YPU_VERS, "tcp");
+
+  /* We do not need the string anymore.  */
+  free (master);
+
+  if (clnt == NULL)
     {
       clnt_pcreateerror ("yp_update: clnt_create");
       return YPERR_RPC;