From: Wei Yang <richard.weiy...@linux.alibaba.com> Static defined trace_event->type stops at (__TRACE_LAST_TYPE - 1) and dynamic trace_event->type starts from (__TRACE_LAST_TYPE + 1).
To save one trace_event->type index, let's use __TRACE_LAST_TYPE. Link: https://lkml.kernel.org/r/20200703020612.12930-3-richard.weiy...@linux.alibaba.com Signed-off-by: Wei Yang <richard.weiy...@linux.alibaba.com> Signed-off-by: Steven Rostedt (VMware) <rost...@goodmis.org> --- kernel/trace/trace_output.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index a35232d61601..4d1893564912 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -20,7 +20,7 @@ DECLARE_RWSEM(trace_event_sem); static struct hlist_head event_hash[EVENT_HASHSIZE] __read_mostly; -static int next_event_type = __TRACE_LAST_TYPE + 1; +static int next_event_type = __TRACE_LAST_TYPE; enum print_line_t trace_print_bputs_msg_only(struct trace_iterator *iter) { @@ -675,7 +675,7 @@ static LIST_HEAD(ftrace_event_list); static int trace_search_list(struct list_head **list) { struct trace_event *e; - int next = __TRACE_LAST_TYPE + 1; + int next = __TRACE_LAST_TYPE; if (list_empty(&ftrace_event_list)) { *list = &ftrace_event_list; -- 2.26.2
