rgw: check that realloc succeeded

Was missing a test after a realloc.

Backport: argonaut
Signed-off-by: Yehuda Sadeh <yehuda@inktank.com>

diff --git a/src/rgw/rgw_xml.cc b/src/rgw/rgw_xml.cc
index fd3b6f6dea3bdddea39e00ab8198bd0491ae703e..c94b82e30fa633272e51a98d5fd62d6039f9a4fd 100644 (file)
--- a/src/rgw/rgw_xml.cc
+++ b/src/rgw/rgw_xml.cc
@@ -208,6 +208,8 @@ bool RGWXMLParser::parse(const char *_buf, int len, int done)
 {
   int pos = buf_len;
   buf = (char *)realloc(buf, buf_len + len);
+  if (!buf)
+    return false;
   memcpy(&buf[buf_len], _buf, len);
   buf_len += len;