1 files changed, 7 insertions, 8 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index d345d649d073..a610ca771558 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -34,6 +34,7 @@
 
 #include <linux/stacktrace.h>
 #include <linux/ring_buffer.h>
+#include <linux/irqflags.h>
 
 #include "trace.h"
 
@@ -851,7 +852,7 @@ ftrace_special(unsigned long arg1, unsigned long arg2, unsigned long arg3)
         preempt_enable_notrace();
 }
 
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
 static void
 function_trace_call(unsigned long ip, unsigned long parent_ip)
 {
@@ -865,9 +866,6 @@ function_trace_call(unsigned long ip, unsigned long parent_ip)
         if (unlikely(!ftrace_function_enabled))
                 return;
 
-        if (skip_trace(ip))
-                return;
-
         pc = preempt_count();
         resched = need_resched();
         preempt_disable_notrace();
@@ -2379,9 +2377,10 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
         int i;
         size_t ret;
 
+        ret = cnt;
+
         if (cnt > max_tracer_type_len)
                 cnt = max_tracer_type_len;
-        ret = cnt;
 
         if (copy_from_user(&buf, ubuf, cnt))
                 return -EFAULT;
@@ -2414,8 +2413,8 @@ tracing_set_trace_write(struct file *filp, const char __user *ubuf,
  out:
         mutex_unlock(&trace_types_lock);
 
-        if (ret == cnt)
-                filp->f_pos += cnt;
+        if (ret > 0)
+                filp->f_pos += ret;
 
         return ret;
 }
@@ -3097,7 +3096,7 @@ void ftrace_dump(void)
         dump_ran = 1;
 
         /* No turning back! */
-        ftrace_kill_atomic();
+        ftrace_kill();
 
         for_each_tracing_cpu(cpu) {
                 atomic_inc(&global_trace.data[cpu]->disabled);