linux-kernel - [PATCH] rcu: Convert rcu_dereference to rcu_access_pointer in drivers/net/ethernet/broadcom/cnic.c

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Date:	Wed, 19 Mar 2014 03:21:04 +0530
From:	Monam Agarwal <monamagarwal123@...il.com>
To:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	eddie.wai@...adcom.com, paulmck@...ux.vnet.ibm.com
Subject: [PATCH] rcu: Convert rcu_dereference to rcu_access_pointer in drivers/net/ethernet/broadcom/cnic.c

This patch converts rcu_dereference to rcu_access_pointer if its returned value is not used

Signed-off-by: Monam Agarwal <monamagarwal123@...il.com>

Reviewed-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

---
 drivers/net/ethernet/broadcom/cnic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 6f10c69..42fb026 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -355,7 +355,7 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
 			break;
 
 		rcu_read_lock();
-		if (!rcu_dereference(cp->ulp_ops[CNIC_ULP_L4])) {
+		if (!rcu_access_pointer(cp->ulp_ops[CNIC_ULP_L4])) {
 			rc = -ENODEV;
 			rcu_read_unlock();
 			break;
-- 
1.7.9.5

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