Commit 7deb2dcb authored by Navid Emamdoost's avatar Navid Emamdoost Committed by Greg Kroah-Hartman

tracing: Have error path in predicate_parse() free its allocated memory

[ Upstream commit 96c5c6e6 ]

In predicate_parse, there is an error path that is not going to
out_free instead it returns directly which leads to a memory leak.

Link: http://lkml.kernel.org/r/20190920225800.3870-1-navid.emamdoost@gmail.comSigned-off-by: default avatarNavid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent e15f8a9b
...@@ -451,8 +451,10 @@ predicate_parse(const char *str, int nr_parens, int nr_preds, ...@@ -451,8 +451,10 @@ predicate_parse(const char *str, int nr_parens, int nr_preds,
switch (*next) { switch (*next) {
case '(': /* #2 */ case '(': /* #2 */
if (top - op_stack > nr_parens) if (top - op_stack > nr_parens) {
return ERR_PTR(-EINVAL); ret = -EINVAL;
goto out_free;
}
*(++top) = invert; *(++top) = invert;
continue; continue;
case '!': /* #3 */ case '!': /* #3 */
......
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