xl: Free optdata_begin when saving domain config

This makes valgrind a bit happier.

It is also
Coverity-CID: 1055903

Signed-off-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Ian Campbell <Ian.Campbell@citrix.com>
Acked-by: Ian Campbell <Ian.Campbell@citrix.com>

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index d93e01b4080568126c0a5fd5792493882f9a03f8..aff6f908bf86cfd745faba740b614d8f2fcd0d49 100644 (file)
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -3442,6 +3442,8 @@ static void save_domain_core_writeconfig(int fd, const char *source,
                      ctx, fd, optdata_begin, hdr.optional_data_len,
                      source, "header"));
 
+    free(optdata_begin);
+
     fprintf(stderr, "Saving to %s new xl format (info"
             " 0x%"PRIx32"/0x%"PRIx32"/%"PRIu32")\n",
             source, hdr.mandatory_flags, hdr.optional_flags,