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vxlan: use a more suitable function when assigning NULL

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When stopping the vxlan interface we detach it from the socket.
Use RCU_INIT_POINTER() and not rcu_assign_pointer() to do so.

Suggested-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mark Bloch 2017-06-07 14:36:58 +03:00 committed by David S. Miller
parent 1dec4cec9f
commit 57d88182ea
1 changed files with 2 additions and 2 deletions
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4
drivers/net/vxlan.c
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@ -1077,10 +1077,10 @@ static void vxlan_sock_release(struct vxlan_dev *vxlan)
#if IS_ENABLED(CONFIG_IPV6) #if IS_ENABLED(CONFIG_IPV6)
struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock); struct vxlan_sock *sock6 = rtnl_dereference(vxlan->vn6_sock);
rcu_assign_pointer(vxlan->vn6_sock, NULL); RCU_INIT_POINTER(vxlan->vn6_sock, NULL);
#endif #endif
rcu_assign_pointer(vxlan->vn4_sock, NULL); RCU_INIT_POINTER(vxlan->vn4_sock, NULL);
synchronize_net(); synchronize_net();
vxlan_vs_del_dev(vxlan); vxlan_vs_del_dev(vxlan);