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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>
This commit is contained in:
Kurt Van Dijck 2011-05-03 18:42:04 +00:00 committed by David S. Miller
parent 1650629d18
commit c8d55a9d9e
1 changed files with 9 additions and 4 deletions
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13
net/can/af_can.c
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@ -115,7 +115,7 @@ static void can_sock_destruct(struct sock *sk)
skb_queue_purge(&sk->sk_receive_queue);
}
static const struct can_proto *can_try_module_get(int protocol)
static const struct can_proto *can_get_proto(int protocol)
{
const struct can_proto *cp;
@ -128,6 +128,11 @@ static const struct can_proto *can_try_module_get(int protocol)
return cp;
}
static inline void can_put_proto(const struct can_proto *cp)
{
module_put(cp->prot->owner);
}
static int can_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
@ -143,7 +148,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
if (!net_eq(net, &init_net))
return -EAFNOSUPPORT;
cp = can_try_module_get(protocol);
cp = can_get_proto(protocol);
#ifdef CONFIG_MODULES
if (!cp) {
@ -160,7 +165,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
printk(KERN_ERR "can: request_module "
"(can-proto-%d) failed.\n", protocol);
cp = can_try_module_get(protocol);
cp = can_get_proto(protocol);
}
#endif
@ -195,7 +200,7 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
}
errout:
module_put(cp->prot->owner);
can_put_proto(cp);
return err;
}