IB/rxe: Use DEFINE_SPINLOCK() for spinlock

spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Leon Romanosky <leonro@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index b8258e4f0aeaf656cfa8f98f6f80bf3761b6bd2b..4cb63780fa74056b6ff182608a43388b7fde78c2 100644 (file)
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -46,7 +46,7 @@
 #include "rxe_loc.h"
 
 static LIST_HEAD(rxe_dev_list);
-static spinlock_t dev_list_lock; /* spinlock for device list */
+static DEFINE_SPINLOCK(dev_list_lock); /* spinlock for device list */
 
 struct rxe_dev *net_to_rxe(struct net_device *ndev)
 {
@@ -663,8 +663,6 @@ struct notifier_block rxe_net_notifier = {
 
 int rxe_net_ipv4_init(void)
 {
-       spin_lock_init(&dev_list_lock);
-
        recv_sockets.sk4 = rxe_setup_udp_tunnel(&init_net,
                                htons(ROCE_V2_UDP_DPORT), false);
        if (IS_ERR(recv_sockets.sk4)) {
@@ -680,8 +678,6 @@ int rxe_net_ipv6_init(void)
 {
 #if IS_ENABLED(CONFIG_IPV6)
 
-       spin_lock_init(&dev_list_lock);
-
        recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net,
                                                htons(ROCE_V2_UDP_DPORT), true);
        if (IS_ERR(recv_sockets.sk6)) {