# HG changeset patch # User Dan Smith <danms(a)us.ibm.com&gt; # Date 1210005841 25200 # Node ID 0b51247ab15043ace24a18b6ba56a40be765fb9c # Parent 3e785d8dbe70b756a8cb18c7ab43214d2bb4a8b3 Avoid concatenating a NULL device XML string in xmlgen Signed-off-by: Dan Smith <danms(a)us.ibm.com&gt; diff -r 3e785d8dbe70 -r 0b51247ab150 libxkutil/xmlgen.c --- a/libxkutil/xmlgen.c Fri May 02 16:32:37 2008 -0400 +++ b/libxkutil/xmlgen.c Mon May 05 09:44:01 2008 -0700 @@ -329,7 +329,8 @@ static bool concat_devxml(char **xml, func(&_xml, &list[i]); } - astrcat(xml, _xml); + if (_xml != NULL) + astrcat(xml, _xml); free(_xml); return true;