[PATCH 21/38] trace-cmd record: prevent memory leak in clear_func_filter()

["Jerome Marchand" <jmarchan@xxxxxxxxxx>]

Free buf at the end of the function.

Fixes a RESOURCE_LEAK error (CWE-772)

Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
---
 tracecmd/trace-record.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index a9e5e64d..2223d5bb 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -2509,6 +2509,7 @@ static void clear_func_filter(const char *file)
 		filter[len+1] = '\0';
 		write_file(file, filter);
 	}
+	free(buf);
 }
 
 static void update_reset_triggers(void)
-- 
2.44.0