can: rename can_try_module_get to can_get_proto
can: rename can_try_module_get to can_get_proto can_try_module_get does return a struct can_proto. The name explains what is done in so much detail that a caller may not notice that a struct can_proto is locked/unlocked. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Acked-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -115,7 +115,7 @@ static void can_sock_destruct(struct sock *sk)
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skb_queue_purge(&sk->sk_receive_queue);
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}
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static const struct can_proto *can_try_module_get(int protocol)
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static const struct can_proto *can_get_proto(int protocol)
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{
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const struct can_proto *cp;
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@ -128,6 +128,11 @@ static const struct can_proto *can_try_module_get(int protocol)
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return cp;
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}
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static inline void can_put_proto(const struct can_proto *cp)
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{
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module_put(cp->prot->owner);
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}
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static int can_create(struct net *net, struct socket *sock, int protocol,
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int kern)
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{
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@ -143,7 +148,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
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if (!net_eq(net, &init_net))
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return -EAFNOSUPPORT;
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cp = can_try_module_get(protocol);
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cp = can_get_proto(protocol);
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#ifdef CONFIG_MODULES
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if (!cp) {
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@ -160,7 +165,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
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printk(KERN_ERR "can: request_module "
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"(can-proto-%d) failed.\n", protocol);
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cp = can_try_module_get(protocol);
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cp = can_get_proto(protocol);
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}
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#endif
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@ -195,7 +200,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
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}
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errout:
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module_put(cp->prot->owner);
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can_put_proto(cp);
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return err;
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}
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