[PATCH 6/8] trace-cmd lib: Prevent memory leak in tracecmd_create_event_hook()

["Jerome Marchand" <jmarchan@xxxxxxxxxx>]

Free hook and hook->str in the error path.

Fixes a RESOURCE_LEAK error (CWE-772)

Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
---
 lib/trace-cmd/trace-hooks.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/trace-cmd/trace-hooks.c b/lib/trace-cmd/trace-hooks.c
index a58b5356..aa12f6e9 100644
--- a/lib/trace-cmd/trace-hooks.c
+++ b/lib/trace-cmd/trace-hooks.c
@@ -151,6 +151,8 @@ struct hook_list *tracecmd_create_event_hook(const char *arg)
 
 invalid_tok:
 	tracecmd_warning("Invalid hook format '%s'", arg);
+	free(hook->str);
+	free(hook);
 	return NULL;
 }
 
-- 
2.47.0