timer: Split out timer function call
The ident level is starting to be annoying. More white space than
actual code. Split out the timer function call into its own function.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/kernel/timer.c b/kernel/timer.c
index f82f4bf..4522969 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -953,6 +953,41 @@
return index;
}
+static void call_timer_fn(struct timer_list *timer, void (*fn)(unsigned long),
+ unsigned long data)
+{
+ int preempt_count = preempt_count();
+
+#ifdef CONFIG_LOCKDEP
+ /*
+ * It is permissible to free the timer from inside the
+ * function that is called from it, this we need to take into
+ * account for lockdep too. To avoid bogus "held lock freed"
+ * warnings as well as problems when looking into
+ * timer->lockdep_map, make a copy and use that here.
+ */
+ struct lockdep_map lockdep_map = timer->lockdep_map;
+#endif
+ /*
+ * Couple the lock chain with the lock chain at
+ * del_timer_sync() by acquiring the lock_map around the fn()
+ * call here and in del_timer_sync().
+ */
+ lock_map_acquire(&lockdep_map);
+
+ trace_timer_expire_entry(timer);
+ fn(data);
+ trace_timer_expire_exit(timer);
+
+ lock_map_release(&lockdep_map);
+
+ if (preempt_count != preempt_count()) {
+ printk(KERN_ERR "timer: %pF preempt leak: %08x -> %08x\n",
+ fn, preempt_count, preempt_count());
+ BUG();
+ }
+}
+
#define INDEX(N) ((base->timer_jiffies >> (TVR_BITS + (N) * TVN_BITS)) & TVN_MASK)
/**
@@ -996,42 +1031,7 @@
detach_timer(timer, 1);
spin_unlock_irq(&base->lock);
- {
- int preempt_count = preempt_count();
-
-#ifdef CONFIG_LOCKDEP
- /*
- * It is permissible to free the timer from
- * inside the function that is called from
- * it, this we need to take into account for
- * lockdep too. To avoid bogus "held lock
- * freed" warnings as well as problems when
- * looking into timer->lockdep_map, make a
- * copy and use that here.
- */
- struct lockdep_map lockdep_map =
- timer->lockdep_map;
-#endif
- /*
- * Couple the lock chain with the lock chain at
- * del_timer_sync() by acquiring the lock_map
- * around the fn() call here and in
- * del_timer_sync().
- */
- lock_map_acquire(&lockdep_map);
-
- trace_timer_expire_entry(timer);
- fn(data);
- trace_timer_expire_exit(timer);
-
- lock_map_release(&lockdep_map);
-
- if (preempt_count != preempt_count()) {
- printk(KERN_ERR "timer: %pF preempt leak: %08x -> %08x\n",
- fn, preempt_count, preempt_count());
- BUG();
- }
- }
+ call_timer_fn(timer, fn, data);
spin_lock_irq(&base->lock);
}
}