tracing: Fix clear of RECORDED_TGID flag when disabling trace event

When disabling one trace event, the RECORDED_TGID flag in the event
file is not correctly cleared. It's clearing RECORDED_CMD flag when
it should clear RECORDED_TGID flag.

Link: http://lkml.kernel.org/r/1504589806-8425-1-git-send-email-chuhu@redhat.com
Cc: Joel Fernandes <joelaf@google.com>
Cc: stable@vger.kernel.org
Fixes: d914ba37d7 ("tracing: Add support for recording tgid of tasks")
Signed-off-by: Chunyu Hu <chuhu@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index c93540c5df21aa71003819e191283e48d10065d3..87468398b9ed6206722db4126cc6c6318580e357 100644 (file)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -406,7 +406,7 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
 
                        if (file->flags & EVENT_FILE_FL_RECORDED_TGID) {
                                tracing_stop_tgid_record();
-                               clear_bit(EVENT_FILE_FL_RECORDED_CMD_BIT, &file->flags);
+                               clear_bit(EVENT_FILE_FL_RECORDED_TGID_BIT, &file->flags);
                        }
 
                        call->class->reg(call, TRACE_REG_UNREGISTER, file);