From: Harvey Harrison <harvey.harrison@gmail.com>

Noticed by sparse:
kernel/rcuclassic.c:719:2: error: incompatible types in comparison expression (different signedness)
kernel/rcuclassic.c:727:2: error: incompatible types in comparison expression (different signedness)
kernel/rcuclassic.c: In function `rcu_init_percpu_data':
kernel/rcuclassic.c:719: warning: comparison of distinct pointer types lacks a cast
kernel/rcuclassic.c:727: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/rcuclassic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff -puN kernel/rcuclassic.c~rcu-spinlocks-take-an-unsigned-long-flags kernel/rcuclassic.c
--- a/kernel/rcuclassic.c~rcu-spinlocks-take-an-unsigned-long-flags
+++ a/kernel/rcuclassic.c
@@ -714,7 +714,7 @@ void rcu_check_callbacks(int cpu, int us
 static void rcu_init_percpu_data(int cpu, struct rcu_ctrlblk *rcp,
 						struct rcu_data *rdp)
 {
-	long flags;
+	unsigned long flags;
 
 	spin_lock_irqsave(&rcp->lock, flags);
 	memset(rdp, 0, sizeof(*rdp));
_