1 files changed, 22 insertions, 1 deletions

diff --git a/include/linux/timer.h b/include/linux/timer.h
index 979fefdeb862..d4ba79248a27 100644
--- a/include/linux/timer.h
+++ b/include/linux/timer.h
@@ -4,6 +4,7 @@
 #include <linux/list.h>
 #include <linux/ktime.h>
 #include <linux/stddef.h>
+#include <linux/debugobjects.h>
 
 struct tvec_base;
 
@@ -25,6 +26,7 @@ struct timer_list {
 extern struct tvec_base boot_tvec_bases;
 
 #define TIMER_INITIALIZER(_function, _expires, _data) {         \
+                .entry = { .prev = TIMER_ENTRY_STATIC },        \
                 .function = (_function),                        \
                 .expires = (_expires),                          \
                 .data = (_data),                                \
@@ -38,6 +40,17 @@ extern struct tvec_base boot_tvec_bases;
 void init_timer(struct timer_list *timer);
 void init_timer_deferrable(struct timer_list *timer);
 
+#ifdef CONFIG_DEBUG_OBJECTS_TIMERS
+extern void init_timer_on_stack(struct timer_list *timer);
+extern void destroy_timer_on_stack(struct timer_list *timer);
+#else
+static inline void destroy_timer_on_stack(struct timer_list *timer) { }
+static inline void init_timer_on_stack(struct timer_list *timer)
+{
+        init_timer(timer);
+}
+#endif
+
 static inline void setup_timer(struct timer_list * timer,
                                 void (*function)(unsigned long),
                                 unsigned long data)
@@ -47,6 +60,15 @@ static inline void setup_timer(struct timer_list * timer,
         init_timer(timer);
 }
 
+static inline void setup_timer_on_stack(struct timer_list *timer,
+                                        void (*function)(unsigned long),
+                                        unsigned long data)
+{
+        timer->function = function;
+        timer->data = data;
+        init_timer_on_stack(timer);
+}
+
 /**
  * timer_pending - is a timer pending?
  * @timer: the timer in question
@@ -164,5 +186,4 @@ unsigned long __round_jiffies_relative(unsigned long j, int cpu);
 unsigned long round_jiffies(unsigned long j);
 unsigned long round_jiffies_relative(unsigned long j);
 
-
 #endif