[PATCH] VSOCK: constify vmci_transport_notify_ops structures

From: Julia Lawall
Date: Sat Nov 21 2015 - 12:51:11 EST


The vmci_transport_notify_ops structures are never modified, so declare
them as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
net/vmw_vsock/vmci_transport.h | 2 +-
net/vmw_vsock/vmci_transport_notify.c | 2 +-
net/vmw_vsock/vmci_transport_notify.h | 5 +++--
net/vmw_vsock/vmci_transport_notify_qstate.c | 2 +-
4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/net/vmw_vsock/vmci_transport.h b/net/vmw_vsock/vmci_transport.h
index 2ad46f3..1820e74 100644
--- a/net/vmw_vsock/vmci_transport.h
+++ b/net/vmw_vsock/vmci_transport.h
@@ -121,7 +121,7 @@ struct vmci_transport {
u64 queue_pair_max_size;
u32 detach_sub_id;
union vmci_transport_notify notify;
- struct vmci_transport_notify_ops *notify_ops;
+ const struct vmci_transport_notify_ops *notify_ops;
struct list_head elem;
struct sock *sk;
spinlock_t lock; /* protects sk. */
diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c
index 9b7f207..fd8cf02 100644
--- a/net/vmw_vsock/vmci_transport_notify.c
+++ b/net/vmw_vsock/vmci_transport_notify.c
@@ -661,7 +661,7 @@ static void vmci_transport_notify_pkt_process_negotiate(struct sock *sk)
}

/* Socket control packet based operations. */
-struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = {
+const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = {
vmci_transport_notify_pkt_socket_init,
vmci_transport_notify_pkt_socket_destruct,
vmci_transport_notify_pkt_poll_in,
diff --git a/net/vmw_vsock/vmci_transport_notify.h b/net/vmw_vsock/vmci_transport_notify.h
index 7df7932..3c464d3 100644
--- a/net/vmw_vsock/vmci_transport_notify.h
+++ b/net/vmw_vsock/vmci_transport_notify.h
@@ -77,7 +77,8 @@ struct vmci_transport_notify_ops {
void (*process_negotiate) (struct sock *sk);
};

-extern struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops;
-extern struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops;
+extern const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops;
+extern const
+struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops;

#endif /* __VMCI_TRANSPORT_NOTIFY_H__ */
diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c
index dc9c792..21e591d 100644
--- a/net/vmw_vsock/vmci_transport_notify_qstate.c
+++ b/net/vmw_vsock/vmci_transport_notify_qstate.c
@@ -419,7 +419,7 @@ vmci_transport_notify_pkt_send_pre_enqueue(
}

/* Socket always on control packet based operations. */
-struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = {
+const struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = {
vmci_transport_notify_pkt_socket_init,
vmci_transport_notify_pkt_socket_destruct,
vmci_transport_notify_pkt_poll_in,

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