diff options
Diffstat (limited to 'kernel/trace/trace_eprobe.c')
-rw-r--r-- | kernel/trace/trace_eprobe.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c index 541aa13581b9..7d4478525c66 100644 --- a/kernel/trace/trace_eprobe.c +++ b/kernel/trace/trace_eprobe.c @@ -511,20 +511,17 @@ __eprobe_trace_func(struct eprobe_data *edata, void *rec) * functions are just stubs to fulfill what is needed to use the trigger * infrastructure. */ -static int eprobe_trigger_init(struct event_trigger_ops *ops, - struct event_trigger_data *data) +static int eprobe_trigger_init(struct event_trigger_data *data) { return 0; } -static void eprobe_trigger_free(struct event_trigger_ops *ops, - struct event_trigger_data *data) +static void eprobe_trigger_free(struct event_trigger_data *data) { } static int eprobe_trigger_print(struct seq_file *m, - struct event_trigger_ops *ops, struct event_trigger_data *data) { /* Do not print eprobe event triggers */ @@ -549,7 +546,8 @@ static struct event_trigger_ops eprobe_trigger_ops = { static int eprobe_trigger_cmd_parse(struct event_command *cmd_ops, struct trace_event_file *file, - char *glob, char *cmd, char *param) + char *glob, char *cmd, + char *param_and_filter) { return -1; } @@ -650,7 +648,7 @@ static struct trace_event_functions eprobe_funcs = { static int disable_eprobe(struct trace_eprobe *ep, struct trace_array *tr) { - struct event_trigger_data *trigger; + struct event_trigger_data *trigger = NULL, *iter; struct trace_event_file *file; struct eprobe_data *edata; @@ -658,14 +656,16 @@ static int disable_eprobe(struct trace_eprobe *ep, if (!file) return -ENOENT; - list_for_each_entry(trigger, &file->triggers, list) { - if (!(trigger->flags & EVENT_TRIGGER_FL_PROBE)) + list_for_each_entry(iter, &file->triggers, list) { + if (!(iter->flags & EVENT_TRIGGER_FL_PROBE)) continue; - edata = trigger->private_data; - if (edata->ep == ep) + edata = iter->private_data; + if (edata->ep == ep) { + trigger = iter; break; + } } - if (list_entry_is_head(trigger, &file->triggers, list)) + if (!trigger) return -ENODEV; list_del_rcu(&trigger->list); |