diff options
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 8be1224046f8..7a0cf68027cc 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1529,6 +1529,24 @@ __register_event(struct ftrace_event_call *call, struct module *mod) return 0; } +static struct ftrace_event_file * +trace_create_new_event(struct ftrace_event_call *call, + struct trace_array *tr) +{ + struct ftrace_event_file *file; + + file = kmem_cache_alloc(file_cachep, GFP_TRACE); + if (!file) + return NULL; + + file->event_call = call; + file->tr = tr; + atomic_set(&file->sm_ref, 0); + list_add(&file->list, &tr->events); + + return file; +} + /* Add an event to a trace directory */ static int __trace_add_new_event(struct ftrace_event_call *call, @@ -1540,15 +1558,10 @@ __trace_add_new_event(struct ftrace_event_call *call, { struct ftrace_event_file *file; - file = kmem_cache_alloc(file_cachep, GFP_TRACE); + file = trace_create_new_event(call, tr); if (!file) return -ENOMEM; - file->event_call = call; - file->tr = tr; - atomic_set(&file->sm_ref, 0); - list_add(&file->list, &tr->events); - return event_create_dir(tr->event_dir, file, id, enable, filter, format); } @@ -1563,15 +1576,10 @@ __trace_early_add_new_event(struct ftrace_event_call *call, { struct ftrace_event_file *file; - file = kmem_cache_alloc(file_cachep, GFP_TRACE); + file = trace_create_new_event(call, tr); if (!file) return -ENOMEM; - file->event_call = call; - file->tr = tr; - atomic_set(&file->sm_ref, 0); - list_add(&file->list, &tr->events); - return 0; } |