tree 415cb06f3c31875a43b4eb33e166f1fb79c5402c
parent 1aed58e67a6ec1e7a18bfabe8ba6ec2d27c15636
author Steven Rostedt (VMware) <rostedt@goodmis.org> 1544321404 -0500
committer Steven Rostedt (VMware) <rostedt@goodmis.org> 1544554201 -0500

tracing: Fix memory leak in create_filter()

The create_filter() calls create_filter_start() which allocates a
"parse_error" descriptor, but fails to call create_filter_finish() that
frees it.

The op_stack and inverts in predicate_parse() were also not freed.

Found by kmemleak detector.

Cc: stable@vger.kernel.org
Fixes: 80765597bc587 ("tracing: Rewrite filter logic to be simpler and faster")
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>