tracing: Fix error handling in event_trigger_parse()

JIRA: https://issues.redhat.com/browse/RHEL-115358

commit c5dd28e
Author: Miaoqian Lin <linmq006@gmail.com>
Date:   Wed May 7 10:53:07 2025 -0400

    tracing: Fix error handling in event_trigger_parse()

    According to trigger_data_alloc() doc, trigger_data_free() should be
    used to free an event_trigger_data object. This fixes a mismatch introduced
    when kzalloc was replaced with trigger_data_alloc without updating
    the corresponding deallocation calls.

    Cc: Masami Hiramatsu <mhiramat@kernel.org>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
    Cc: Tom Zanussi <zanussi@kernel.org>
    Link: https://lore.kernel.org/20250507145455.944453325@goodmis.org
    Link: https://lore.kernel.org/20250318112737.4174-1-linmq006@gmail.com
    Fixes: e1f187d ("tracing: Have existing event_command.parse() implementations use helpers")
    Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
    [ SDR: Changed event_trigger_alloc/free() to trigger_data_alloc/free() ]
    Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>

Author: jeromemarchand

kernel/trace/trace_events_trigger.c

@@ -1016,7 +1016,7 @@ event_trigger_parse(struct event_command *cmd_ops,
 
 	if (remove) {
 		event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
-		kfree(trigger_data);
+		trigger_data_free(trigger_data);
 		ret = 0;
 		goto out;
 	}
@@ -1043,7 +1043,7 @@ event_trigger_parse(struct event_command *cmd_ops,
 
  out_free:
 	event_trigger_reset_filter(cmd_ops, trigger_data);
-	kfree(trigger_data);
+	trigger_data_free(trigger_data);
 	goto out;
 }