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tracing: Fix clear of RECORDED_TGID flag when disabling trace event

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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>
This commit is contained in:
Chunyu Hu 2017-09-05 13:36:46 +08:00 committed by Steven Rostedt (VMware)
parent 3d9622c12c
commit 7685ab6c58
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/trace_events.c
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@ -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);