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net/openvswitch: Use with RCU_INIT_POINTER(x, NULL) in vport-gre.c

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This patch replaces rcu_assign_pointer(x, NULL) with RCU_INIT_POINTER(x, NULL)

The rcu_assign_pointer() ensures that the initialization of a structure
is carried out before storing a pointer to that structure.
And in the case of the NULL pointer, there is no structure to initialize.
So, rcu_assign_pointer(p, NULL) can be safely converted to RCU_INIT_POINTER(p, NULL)

Signed-off-by: Monam Agarwal <monamagarwal123@gmail.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
This commit is contained in:
Monam Agarwal 2014-03-24 00:52:43 +05:30 committed by Jesse Gross
parent 88d73f6c41
commit 944df8ae84
1 changed files with 1 additions and 1 deletions
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2
net/openvswitch/vport-gre.c
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@ -256,7 +256,7 @@ static void gre_tnl_destroy(struct vport *vport)
ovs_net = net_generic(net, ovs_net_id);
rcu_assign_pointer(ovs_net->vport_net.gre_vport, NULL);
RCU_INIT_POINTER(ovs_net->vport_net.gre_vport, NULL);
ovs_vport_deferred_free(vport);
gre_exit();
}