[PATCH] staging/rdma/hfi1: use RCU_INIT_POINTER() when NULLing.

From	Muhammad Falak R Wani <falakreyaz@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] staging/rdma/hfi1: use RCU_INIT_POINTER() when NULLing.
Date	2016-05-01 14:40 +0200
Message-ID	<rtYPf-18i-7@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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It is safe to use RCU_INIT_POINTER() to NULL a pointer, instead of
rcu_assign_pointer().
This results in slightly smaller/faster code.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
 drivers/staging/rdma/hfi1/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rdma/hfi1/init.c b/drivers/staging/rdma/hfi1/init.c
index cfcdc16..34e0f90 100644
--- a/drivers/staging/rdma/hfi1/init.c
+++ b/drivers/staging/rdma/hfi1/init.c
@@ -1303,7 +1303,7 @@ static void cleanup_device_data(struct hfi1_devdata *dd)
 
 		spin_lock(&ppd->cc_state_lock);
 		cc_state = get_cc_state(ppd);
-		rcu_assign_pointer(ppd->cc_state, NULL);
+		RCU_INIT_POINTER(ppd->cc_state, NULL);
 		spin_unlock(&ppd->cc_state_lock);
 
 		if (cc_state)
-- 
1.9.1

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[PATCH] staging/rdma/hfi1: use RCU_INIT_POINTER() when NULLing. Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-01 14:40 +0200
  Re: [PATCH] staging/rdma/hfi1: use RCU_INIT_POINTER() when NULLing. Leon Romanovsky <leon@kernel.org> - 2016-05-02 07:30 +0200

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