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[for-next,4/4] ftrace: Hide cached module code for !CONFIG_MODULES

Message ID 20170712125726.105948984@goodmis.org
State Accepted
Commit 69449bbd65687e8e5fb968a5a0c46089f6af6001
Headers show
Series None | expand

Commit Message

Steven Rostedt July 12, 2017, 12:57 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>


When modules are disabled, we get a harmless build warning:

kernel/trace/ftrace.c:4051:13: error: 'process_cached_mods' defined but not used [-Werror=unused-function]

This adds the same #ifdef around the new code that exists around
its caller.

Link: http://lkml.kernel.org/r/20170710084413.1820568-1-arnd@arndb.de

Fixes: d7fbf8df7ca0 ("ftrace: Implement cached modules tracing on module load")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

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

---
 kernel/trace/ftrace.c | 2 ++
 1 file changed, 2 insertions(+)

-- 
2.10.2
diff mbox series

Patch

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 2953d558bbee..4706f0ed193e 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3978,6 +3978,7 @@  static int
 ftrace_set_regex(struct ftrace_ops *ops, unsigned char *buf, int len,
 		 int reset, int enable);
 
+#ifdef CONFIG_MODULES
 static void process_mod_list(struct list_head *head, struct ftrace_ops *ops,
 			     char *mod, bool enable)
 {
@@ -4068,6 +4069,7 @@  static void process_cached_mods(const char *mod_name)
 
 	kfree(mod);
 }
+#endif
 
 /*
  * We register the module command as a template to show others how