diff options
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 27 |
1 files changed, 5 insertions, 22 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 34ce671b6080..b18b7eb1a76f 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -300,25 +300,17 @@ static struct trace_uprobe * alloc_trace_uprobe(const char *group, const char *event, int nargs, bool is_ret) { struct trace_uprobe *tu; - - if (!event || !group) - return ERR_PTR(-EINVAL); + int ret; tu = kzalloc(SIZEOF_TRACE_UPROBE(nargs), GFP_KERNEL); if (!tu) return ERR_PTR(-ENOMEM); - tu->tp.call.class = &tu->tp.class; - tu->tp.call.name = kstrdup(event, GFP_KERNEL); - if (!tu->tp.call.name) - goto error; - - tu->tp.class.system = kstrdup(group, GFP_KERNEL); - if (!tu->tp.class.system) + ret = trace_probe_init(&tu->tp, event, group); + if (ret < 0) goto error; dyn_event_init(&tu->devent, &trace_uprobe_ops); - INIT_LIST_HEAD(&tu->tp.files); tu->consumer.handler = uprobe_dispatcher; if (is_ret) tu->consumer.ret_handler = uretprobe_dispatcher; @@ -326,26 +318,18 @@ alloc_trace_uprobe(const char *group, const char *event, int nargs, bool is_ret) return tu; error: - kfree(tu->tp.call.name); kfree(tu); - return ERR_PTR(-ENOMEM); + return ERR_PTR(ret); } static void free_trace_uprobe(struct trace_uprobe *tu) { - int i; - if (!tu) return; - for (i = 0; i < tu->tp.nr_args; i++) - traceprobe_free_probe_arg(&tu->tp.args[i]); - path_put(&tu->path); - kfree(tu->tp.call.class->system); - kfree(tu->tp.call.name); - kfree(tu->tp.call.print_fmt); + trace_probe_cleanup(&tu->tp); kfree(tu->filename); kfree(tu); } @@ -1351,7 +1335,6 @@ static struct trace_event_functions uprobe_funcs = { static inline void init_trace_event_call(struct trace_uprobe *tu, struct trace_event_call *call) { - INIT_LIST_HEAD(&call->class->fields); call->event.funcs = &uprobe_funcs; call->class->define_fields = uprobe_event_define_fields; |