1 files changed, 4 insertions, 13 deletions

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 76defd91f9b4..898f868833f2 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -947,23 +947,14 @@ static ssize_t
 event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos)
 {
         struct ftrace_event_call *call = filp->private_data;
-        struct trace_seq *s;
-        int r;
+        char buf[32];
+        int len;
 
         if (*ppos)
                 return 0;
 
-        s = kmalloc(sizeof(*s), GFP_KERNEL);
-        if (!s)
-                return -ENOMEM;
-
-        trace_seq_init(s);
-        trace_seq_printf(s, "%d\n", call->event.type);
-
-        r = simple_read_from_buffer(ubuf, cnt, ppos,
-                                    s->buffer, s->len);
-        kfree(s);
-        return r;
+        len = sprintf(buf, "%d\n", call->event.type);
+        return simple_read_from_buffer(ubuf, cnt, ppos, buf, len);
 }
 
 static ssize_t