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sctp: remove macros sctp_bh_[un]lock_sock

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Redefined bh_[un]lock_sock to sctp_bh[un]lock_sock for user
space friendly code which we haven't use in years, so removing them.

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wangweidong 2014-01-21 15:44:12 +08:00 committed by David S. Miller
parent 048ed4b626
commit 5bc1d1b4a2
5 changed files with 21 additions and 25 deletions
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4
include/net/sctp/sctp.h
View file

@ -170,10 +170,6 @@ extern struct kmem_cache *sctp_bucket_cachep __read_mostly;
* Section: Macros, externs, and inlines
*/
/* sock lock wrappers. */
#define sctp_bh_lock_sock(sk) bh_lock_sock(sk)
#define sctp_bh_unlock_sock(sk) bh_unlock_sock(sk)
/* SCTP SNMP MIB stats handlers */
#define SCTP_INC_STATS(net, field) SNMP_INC_STATS((net)->sctp.sctp_statistics, field)
#define SCTP_INC_STATS_BH(net, field) SNMP_INC_STATS_BH((net)->sctp.sctp_statistics, field)

18
net/sctp/input.c
View file

@ -238,7 +238,7 @@ int sctp_rcv(struct sk_buff *skb)
* bottom halves on this lock, but a user may be in the lock too,
* so check if it is busy.
*/
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
if (sk != rcvr->sk) {
/* Our cached sk is different from the rcvr->sk. This is
@ -248,14 +248,14 @@ int sctp_rcv(struct sk_buff *skb)
* be doing something with the new socket. Switch our veiw
* of the current sk.
*/
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
sk = rcvr->sk;
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
}
if (sock_owned_by_user(sk)) {
if (sctp_add_backlog(sk, skb)) {
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
sctp_chunk_free(chunk);
skb = NULL; /* sctp_chunk_free already freed the skb */
goto discard_release;
@ -266,7 +266,7 @@ int sctp_rcv(struct sk_buff *skb)
sctp_inq_push(&chunk->rcvr->inqueue, chunk);
}
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
/* Release the asoc/ep ref we took in the lookup calls. */
if (asoc)
@ -327,7 +327,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
*/
sk = rcvr->sk;
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
if (sock_owned_by_user(sk)) {
if (sk_add_backlog(sk, skb, sk->sk_rcvbuf))
@ -337,7 +337,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
} else
sctp_inq_push(inqueue, chunk);
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
/* If the chunk was backloged again, don't drop refs */
if (backloged)
@ -522,7 +522,7 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
goto out;
}
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
/* If too many ICMPs get dropped on busy
* servers this needs to be solved differently.
@ -542,7 +542,7 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb,
/* Common cleanup code for icmp/icmpv6 error handler. */
void sctp_err_finish(struct sock *sk, struct sctp_association *asoc)
{
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
sctp_association_put(asoc);
}

4
net/sctp/protocol.c
View file

@ -634,10 +634,10 @@ static void sctp_addr_wq_timeout_handler(unsigned long arg)
/* ignore bound-specific endpoints */
if (!sctp_is_ep_boundall(sk))
continue;
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
if (sctp_asconf_mgmt(sp, addrw) < 0)
pr_debug("%s: sctp_asconf_mgmt failed\n", __func__);
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
}
#if IS_ENABLED(CONFIG_IPV6)
free_next:

16
net/sctp/sm_sideeffect.c
View file

@ -248,7 +248,7 @@ void sctp_generate_t3_rtx_event(unsigned long peer)
/* Check whether a task is in the sock. */
sctp_bh_lock_sock(asoc->base.sk);
bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
pr_debug("%s: sock is busy\n", __func__);
@ -275,7 +275,7 @@ void sctp_generate_t3_rtx_event(unsigned long peer)
asoc->base.sk->sk_err = -error;
out_unlock:
sctp_bh_unlock_sock(asoc->base.sk);
bh_unlock_sock(asoc->base.sk);
sctp_transport_put(transport);
}
@ -288,7 +288,7 @@ static void sctp_generate_timeout_event(struct sctp_association *asoc,
struct net *net = sock_net(asoc->base.sk);
int error = 0;
sctp_bh_lock_sock(asoc->base.sk);
bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
pr_debug("%s: sock is busy: timer %d\n", __func__,
timeout_type);
@ -315,7 +315,7 @@ static void sctp_generate_timeout_event(struct sctp_association *asoc,
asoc->base.sk->sk_err = -error;
out_unlock:
sctp_bh_unlock_sock(asoc->base.sk);
bh_unlock_sock(asoc->base.sk);
sctp_association_put(asoc);
}
@ -367,7 +367,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
struct sctp_association *asoc = transport->asoc;
struct net *net = sock_net(asoc->base.sk);
sctp_bh_lock_sock(asoc->base.sk);
bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
pr_debug("%s: sock is busy\n", __func__);
@ -392,7 +392,7 @@ void sctp_generate_heartbeat_event(unsigned long data)
asoc->base.sk->sk_err = -error;
out_unlock:
sctp_bh_unlock_sock(asoc->base.sk);
bh_unlock_sock(asoc->base.sk);
sctp_transport_put(transport);
}
@ -405,7 +405,7 @@ void sctp_generate_proto_unreach_event(unsigned long data)
struct sctp_association *asoc = transport->asoc;
struct net *net = sock_net(asoc->base.sk);
sctp_bh_lock_sock(asoc->base.sk);
bh_lock_sock(asoc->base.sk);
if (sock_owned_by_user(asoc->base.sk)) {
pr_debug("%s: sock is busy\n", __func__);
@ -427,7 +427,7 @@ void sctp_generate_proto_unreach_event(unsigned long data)
asoc->state, asoc->ep, asoc, transport, GFP_ATOMIC);
out_unlock:
sctp_bh_unlock_sock(asoc->base.sk);
bh_unlock_sock(asoc->base.sk);
sctp_association_put(asoc);
}

4
net/sctp/socket.c
View file

@ -1511,7 +1511,7 @@ static void sctp_close(struct sock *sk, long timeout)
* the net layers still may.
*/
local_bh_disable();
sctp_bh_lock_sock(sk);
bh_lock_sock(sk);
/* Hold the sock, since sk_common_release() will put sock_put()
* and we have just a little more cleanup.
@ -1519,7 +1519,7 @@ static void sctp_close(struct sock *sk, long timeout)
sock_hold(sk);
sk_common_release(sk);
sctp_bh_unlock_sock(sk);
bh_unlock_sock(sk);
local_bh_enable();
sock_put(sk);