[mmotm] init_call_single_data makes int

[KOSAKI Motohiro]

Patch title: full-conversion-to-early_initcall-interface-remove-old-interface-fix-fix-fix.patch
Against: mmotm Jul 14
Applies after: full-conversion-to-early_initcall-interface-remove-old-interface-fix-fix.patch


Now, init_call_single_data is early init function.
then, its return type should be int.

   kernel/smp.c:47: warning: initialization from incompatible pointer type


Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Signed-off-by: Hugh Dickins <hugh@xxxxxxxxxxx>
CC: Eduard - Gabriel Munteanu <eduard.munteanu@xxxxxxxxxxx>
Cc: Tom Zanussi <tzanussi@xxxxxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>

---
 kernel/smp.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: b/kernel/smp.c
===================================================================
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -33,7 +33,7 @@ struct call_single_queue {
 	spinlock_t lock;
 };
 
-static void __cpuinit init_call_single_data(void)
+static int __cpuinit init_call_single_data(void)
 {
 	int i;
 
@@ -43,6 +43,7 @@ static void __cpuinit init_call_single_d
 		spin_lock_init(&q->lock);
 		INIT_LIST_HEAD(&q->list);
 	}
+	return 0;
 }
 early_initcall(init_call_single_data);
 


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