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-rw-r--r--nss/getXXent_r.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/nss/getXXent_r.c b/nss/getXXent_r.c
index 1d203db4c4..5a1e3e9b0f 100644
--- a/nss/getXXent_r.c
+++ b/nss/getXXent_r.c
@@ -137,12 +137,16 @@ ENDFUNC_NAME (void)
 {
   int save;
 
-  __libc_lock_lock (lock);
-  __nss_endent (ENDFUNC_NAME_STRING, DB_LOOKUP_FCT, &nip, &startp,
-		&last_nip, NEED__RES);
-  save = errno;
-  __libc_lock_unlock (lock);
-  __set_errno (save);
+  /* If the service has not been used before do not do anything.  */
+  if (startp != NULL)
+    {
+      __libc_lock_lock (lock);
+      __nss_endent (ENDFUNC_NAME_STRING, DB_LOOKUP_FCT, &nip, &startp,
+		    &last_nip, NEED__RES);
+      save = errno;
+      __libc_lock_unlock (lock);
+      __set_errno (save);
+    }
 }