tracing: Make ftrace_trace_stack() static

ftrace_trace_stack() is not called outside of trace.c. Make it a static
function.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 3329c8efb34f..5d3ce2900d64 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -472,12 +472,20 @@ static inline void trace_access_lock_init(void)
 static void __ftrace_trace_stack(struct ring_buffer *buffer,
                                  unsigned long flags,
                                  int skip, int pc, struct pt_regs *regs);
+static void ftrace_trace_stack(struct ring_buffer *buffer, unsigned long flags,
+                               int skip, int pc);
+
 #else
 static inline void __ftrace_trace_stack(struct ring_buffer *buffer,
                                         unsigned long flags,
                                         int skip, int pc, struct pt_regs *regs)
 {
 }
+static inline void ftrace_trace_stack(struct ring_buffer *buffer,
+                                      unsigned long flags, int skip, int pc)
+{
+}
+
 #endif
 
 /* trace_flags holds trace_options default values */
@@ -1872,7 +1880,7 @@ static void __ftrace_trace_stack(struct ring_buffer *buffer,
 
 }
 
-void ftrace_trace_stack(struct ring_buffer *buffer, unsigned long flags,
+static void ftrace_trace_stack(struct ring_buffer *buffer, unsigned long flags,
                         int skip, int pc)
 {
         if (!(trace_flags & TRACE_ITER_STACKTRACE))