filter_free_subsystem_preds() and filter_free_subsystem_filters()
can rely on file->system->subsystem and avoid strcmp().
Signed-off-by: Oleg Nesterov <o...@redhat.com>
---
kernel/trace/trace_events_filter.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/kernel/trace/trace_events_filter.c
b/kernel/trace/trace_events_filter.c
index 54a125c..59655bc 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -846,13 +846,10 @@ static void filter_free_subsystem_preds(struct
event_subsystem *system,
struct trace_array *tr)
{
struct ftrace_event_file *file;
- struct ftrace_event_call *call;
list_for_each_entry(file, &tr->events, list) {
- call = file->event_call;
- if (strcmp(call->class->system, system->name) != 0)
+ if (file->system->subsystem != system)
continue;
-
__remove_filter(file);
}
}
@@ -874,11 +871,9 @@ static void filter_free_subsystem_filters(struct
event_subsystem *system,
struct trace_array *tr)
{
struct ftrace_event_file *file;
- struct ftrace_event_call *call;
list_for_each_entry(file, &tr->events, list) {
- call = file->event_call;
- if (strcmp(call->class->system, system->name) != 0)
+ if (file->system->subsystem != system)
continue;
__free_subsystem_filter(file);
}
--
1.5.5.1
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