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-rw-r--r--kernel/trace/trace_events.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 87feb0117ce2..8d0fae3af595 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -509,9 +509,11 @@ system_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
return -EINVAL;
}
- command = kstrdup(system, GFP_KERNEL);
+ /* +3 for the ":*\0" */
+ command = kmalloc(strlen(system)+3, GFP_KERNEL);
if (!command)
return -ENOMEM;
+ sprintf(command, "%s:*", system);
ret = ftrace_set_clr_event(command, val);
if (ret)
@@ -1179,7 +1181,7 @@ static __init int event_trace_init(void)
&ftrace_show_header_fops);
trace_create_file("enable", 0644, d_events,
- "*:*", &ftrace_system_enable_fops);
+ "*", &ftrace_system_enable_fops);
for_each_event(call, __start_ftrace_events, __stop_ftrace_events) {
/* The linker may leave blanks */