diff options
| -rw-r--r-- | kernel/trace/ftrace.c | 8 | ||||
| -rw-r--r-- | kernel/trace/trace.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace.h | 1 |
3 files changed, 12 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index c35c3e67d09a..74fdfe9ed3db 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4256,6 +4256,14 @@ unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, return ret; } +void clear_ftrace_function_probes(struct trace_array *tr) +{ + struct ftrace_func_probe *probe, *n; + + list_for_each_entry_safe(probe, n, &tr->func_probes, list) + unregister_ftrace_function_probe_func(NULL, tr, probe->probe_ops); +} + static LIST_HEAD(ftrace_commands); static DEFINE_MUTEX(ftrace_cmd_mutex); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index cdf97ce8cff2..664c44a6d48f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -7550,6 +7550,9 @@ static int instance_rmdir(const char *name) } tracing_set_nop(tr); +#if defined(CONFIG_FUNCTION_TRACER) && defined(CONFIG_DYNAMIC_FTRACE) + clear_ftrace_function_probes(tr); +#endif event_trace_del_tracer(tr); ftrace_clear_pids(tr); ftrace_destroy_function_files(tr); diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 291a1bca5748..98e0845f7235 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -980,6 +980,7 @@ register_ftrace_function_probe(char *glob, struct trace_array *tr, extern int unregister_ftrace_function_probe_func(char *glob, struct trace_array *tr, struct ftrace_probe_ops *ops); +extern void clear_ftrace_function_probes(struct trace_array *tr); int register_ftrace_command(struct ftrace_func_command *cmd); int unregister_ftrace_command(struct ftrace_func_command *cmd); |