Messages in this thread Patch in this message | | | Date | Tue, 15 Jul 2014 20:48:16 +0200 | From | Oleg Nesterov <> | Subject | [PATCH v2 2/7] tracing: kill destroy_call_preds() |
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Remove destroy_call_preds(). Its only caller, __trace_remove_event_call(), can use free_event_filter() and nullify ->filter by hand.
Perhaps we could keep this trivial helper although imo it is pointless, but then it should be static in trace_events.c.
Signed-off-by: Oleg Nesterov <oleg@redhat.com> --- include/linux/ftrace_event.h | 1 - kernel/trace/trace_events.c | 3 ++- kernel/trace/trace_events_filter.c | 6 ------ 3 files changed, 2 insertions(+), 8 deletions(-)
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index 738d465..f434d75 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -404,7 +404,6 @@ enum event_trigger_type { ETT_EVENT_ENABLE = (1 << 3), }; -extern void destroy_call_preds(struct ftrace_event_call *call); extern int filter_match_preds(struct event_filter *filter, void *rec); extern int filter_check_discard(struct ftrace_event_file *file, void *rec, diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index d049a5e..8690a3f 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1748,7 +1748,8 @@ static void __trace_remove_event_call(struct ftrace_event_call *call) { event_remove(call); trace_destroy_fields(call); - destroy_call_preds(call); + free_event_filter(call->filter); + call->filter = NULL; } static int probe_remove_event_call(struct ftrace_event_call *call) diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 30fc66f..1edec32 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -804,12 +804,6 @@ void free_event_filter(struct event_filter *filter) __free_filter(filter); } -void destroy_call_preds(struct ftrace_event_call *call) -{ - __free_filter(call->filter); - call->filter = NULL; -} - static struct event_filter *__alloc_filter(void) { struct event_filter *filter; -- 1.5.5.1
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