(EXPAND): Free buffer which cannot be expanded.

diff --git a/nss/nss_files/files-netgrp.c b/nss/nss_files/files-netgrp.c
index 34d2b64..e207691 100644 (file)
--- a/nss/nss_files/files-netgrp.c
+++ b/nss/nss_files/files-netgrp.c
@@ -1,5 +1,5 @@
 /* Netgroup file parser in nss_files modules.
-   Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 2000, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -34,12 +34,14 @@
   do                                                                         \
     {                                                                        \
       size_t old_cursor = result->cursor - result->data;                     \
+      void *old_data = result->data;                                         \
                                                                              \
       result->data_size += 512 > 2 * needed ? 512 : 2 * needed;                      \
       result->data = realloc (result->data, result->data_size);                      \
                                                                              \
       if (result->data == NULL)                                                      \
        {                                                                     \
+         free (old_data);                                                    \
          status = NSS_STATUS_UNAVAIL;                                        \
          goto the_end;                                                       \
        }                                                                     \