3 files changed, 12 insertions, 15 deletions
diff --git a/nis/nis_call.c b/nis/nis_call.c
index c571e8f367..6ae4ce5dbd 100644
--- a/nis/nis_call.c
+++ b/nis/nis_call.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007
+/* Copyright (C) 1997, 1998, 2001, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>, 1997.
@@ -592,8 +592,10 @@ nis_server_cache_search (const_nis_name name, int search_parent,
   XDR xdrs;
   struct stat64 st;
 
+  int saved_errno = errno;
   if (stat64 ("/var/nis/NIS_COLD_START", &st) < 0)
     st.st_mtime = nis_cold_start_mtime + 1;
+  __set_errno (saved_errno);
 
   __libc_lock_lock (nis_server_cache_lock);
 
@@ -741,7 +743,9 @@ __nisfind_server (const_nis_name name, int search_parent,
       return result;
     }
 
+  int saved_errno = errno;
   *dir = readColdStartFile ();
+  __set_errno (saved_errno);
   if (*dir == NULL)
     /* No /var/nis/NIS_COLD_START->no NIS+ installed.  */
     return NIS_UNAVAIL;
diff --git a/nis/nss_compat/compat-pwd.c b/nis/nss_compat/compat-pwd.c
index df8f91eea0..669522f21a 100644
--- a/nis/nss_compat/compat-pwd.c
+++ b/nis/nss_compat/compat-pwd.c
@@ -116,16 +116,11 @@ init_nss_interface (void)
 static void
 give_pwd_free (struct passwd *pwd)
 {
-  if (pwd->pw_name != NULL)
-    free (pwd->pw_name);
-  if (pwd->pw_passwd != NULL)
-    free (pwd->pw_passwd);
-  if (pwd->pw_gecos != NULL)
-    free (pwd->pw_gecos);
-  if (pwd->pw_dir != NULL)
-    free (pwd->pw_dir);
-  if (pwd->pw_shell != NULL)
-    free (pwd->pw_shell);
+  free (pwd->pw_name);
+  free (pwd->pw_passwd);
+  free (pwd->pw_gecos);
+  free (pwd->pw_dir);
+  free (pwd->pw_shell);
 
   memset (pwd, '\0', sizeof (struct passwd));
 }
diff --git a/nis/nss_compat/compat-spwd.c b/nis/nss_compat/compat-spwd.c
index a5977681f2..95f7355945 100644
--- a/nis/nss_compat/compat-spwd.c
+++ b/nis/nss_compat/compat-spwd.c
@@ -113,10 +113,8 @@ init_nss_interface (void)
 static void
 give_spwd_free (struct spwd *pwd)
 {
-  if (pwd->sp_namp != NULL)
-    free (pwd->sp_namp);
-  if (pwd->sp_pwdp != NULL)
-    free (pwd->sp_pwdp);
+  free (pwd->sp_namp);
+  free (pwd->sp_pwdp);
 
   memset (pwd, '\0', sizeof (struct spwd));
   pwd->sp_warn = -1;