diff options
Diffstat (limited to 'net/rds/recv.c')
| -rw-r--r-- | net/rds/recv.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/net/rds/recv.c b/net/rds/recv.c index fdff33c7b43..bd82522534f 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -31,11 +31,12 @@ * */ #include <linux/kernel.h> +#include <linux/slab.h> #include <net/sock.h> #include <linux/in.h> +#include <linux/export.h> #include "rds.h" -#include "rdma.h" void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, __be32 saddr) @@ -48,12 +49,11 @@ void rds_inc_init(struct rds_incoming *inc, struct rds_connection *conn, } EXPORT_SYMBOL_GPL(rds_inc_init); -void rds_inc_addref(struct rds_incoming *inc) +static void rds_inc_addref(struct rds_incoming *inc) { rdsdebug("addref inc %p ref %d\n", inc, atomic_read(&inc->i_refcount)); atomic_inc(&inc->i_refcount); } -EXPORT_SYMBOL_GPL(rds_inc_addref); void rds_inc_put(struct rds_incoming *inc) { @@ -155,7 +155,7 @@ static void rds_recv_incoming_exthdrs(struct rds_incoming *inc, struct rds_sock * tell us which roles the addrs in the conn are playing for this message. */ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr, - struct rds_incoming *inc, gfp_t gfp, enum km_type km) + struct rds_incoming *inc, gfp_t gfp) { struct rds_sock *rs = NULL; struct sock *sk; @@ -195,8 +195,8 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr, * XXX we could spend more on the wire to get more robust failure * detection, arguably worth it to avoid data corruption. */ - if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq - && (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) { + if (be64_to_cpu(inc->i_hdr.h_sequence) < conn->c_next_rx_seq && + (inc->i_hdr.h_flags & RDS_FLAG_RETRANSMITTED)) { rds_stats_inc(s_recv_drop_old_seq); goto out; } @@ -209,7 +209,7 @@ void rds_recv_incoming(struct rds_connection *conn, __be32 saddr, __be32 daddr, } rs = rds_find_bound(daddr, inc->i_hdr.h_dport); - if (rs == NULL) { + if (!rs) { rds_stats_inc(s_recv_drop_no_sock); goto out; } @@ -250,7 +250,7 @@ static int rds_next_incoming(struct rds_sock *rs, struct rds_incoming **inc) { unsigned long flags; - if (*inc == NULL) { + if (!*inc) { read_lock_irqsave(&rs->rs_recv_lock, flags); if (!list_empty(&rs->rs_recv_queue)) { *inc = list_entry(rs->rs_recv_queue.next, @@ -296,7 +296,7 @@ static int rds_still_queued(struct rds_sock *rs, struct rds_incoming *inc, int rds_notify_queue_get(struct rds_sock *rs, struct msghdr *msghdr) { struct rds_notifier *notifier; - struct rds_rdma_notify cmsg; + struct rds_rdma_notify cmsg = { 0 }; /* fill holes with zero */ unsigned int count = 0, max_messages = ~0U; unsigned long flags; LIST_HEAD(copy); @@ -333,10 +333,10 @@ int rds_notify_queue_get(struct rds_sock *rs, struct msghdr *msghdr) if (msghdr) { cmsg.user_token = notifier->n_user_token; - cmsg.status = notifier->n_status; + cmsg.status = notifier->n_status; err = put_cmsg(msghdr, SOL_RDS, RDS_CMSG_RDMA_STATUS, - sizeof(cmsg), &cmsg); + sizeof(cmsg), &cmsg); if (err) break; } @@ -402,7 +402,7 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, struct rds_sock *rs = rds_sk_to_rs(sk); long timeo; int ret = 0, nonblock = msg_flags & MSG_DONTWAIT; - struct sockaddr_in *sin; + DECLARE_SOCKADDR(struct sockaddr_in *, sin, msg->msg_name); struct rds_incoming *inc = NULL; /* udp_recvmsg()->sock_recvtimeo() gets away without locking too.. */ @@ -431,11 +431,10 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, break; } - timeo = wait_event_interruptible_timeout(*sk->sk_sleep, - (!list_empty(&rs->rs_notify_queue) - || rs->rs_cong_notify - || rds_next_incoming(rs, &inc)), - timeo); + timeo = wait_event_interruptible_timeout(*sk_sleep(sk), + (!list_empty(&rs->rs_notify_queue) || + rs->rs_cong_notify || + rds_next_incoming(rs, &inc)), timeo); rdsdebug("recvmsg woke inc %p timeo %ld\n", inc, timeo); if (timeo > 0 || timeo == MAX_SCHEDULE_TIMEOUT) @@ -480,12 +479,12 @@ int rds_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, rds_stats_inc(s_recv_delivered); - sin = (struct sockaddr_in *)msg->msg_name; if (sin) { sin->sin_family = AF_INET; sin->sin_port = inc->i_hdr.h_sport; sin->sin_addr.s_addr = inc->i_saddr; memset(sin->sin_zero, 0, sizeof(sin->sin_zero)); + msg->msg_namelen = sizeof(*sin); } break; } |