diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_sync.c | 9 | ||||
| -rw-r--r-- | net/smc/smc_clc.c | 18 | ||||
| -rw-r--r-- | net/sunrpc/svcsock.c | 4 | ||||
| -rw-r--r-- | net/tipc/server.c | 4 |
4 files changed, 17 insertions, 18 deletions
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 9ee71cb276d7..fbaf3bd05b2e 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -1636,17 +1636,14 @@ static int ip_vs_receive(struct socket *sock, char *buffer, const size_t buflen) { struct msghdr msg = {NULL,}; - struct kvec iov; + struct kvec iov = {buffer, buflen}; int len; EnterFunction(7); /* Receive a packet */ - iov.iov_base = buffer; - iov.iov_len = (size_t)buflen; - - len = kernel_recvmsg(sock, &msg, &iov, 1, buflen, MSG_DONTWAIT); - + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, buflen); + len = sock_recvmsg(sock, &msg, MSG_DONTWAIT); if (len < 0) return len; diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c index 1800e16b2a02..511548085d16 100644 --- a/net/smc/smc_clc.c +++ b/net/smc/smc_clc.c @@ -35,7 +35,7 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, struct smc_clc_msg_hdr *clcm = buf; struct msghdr msg = {NULL, 0}; int reason_code = 0; - struct kvec vec; + struct kvec vec = {buf, buflen}; int len, datlen; int krflags; @@ -43,12 +43,15 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, * so we don't consume any subsequent CLC message or payload data * in the TCP byte stream */ - vec.iov_base = buf; - vec.iov_len = buflen; + /* + * Caller must make sure that buflen is no less than + * sizeof(struct smc_clc_msg_hdr) + */ krflags = MSG_PEEK | MSG_WAITALL; smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME; - len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1, - sizeof(struct smc_clc_msg_hdr), krflags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, + sizeof(struct smc_clc_msg_hdr)); + len = sock_recvmsg(smc->clcsock, &msg, krflags); if (signal_pending(current)) { reason_code = -EINTR; clc_sk->sk_err = EINTR; @@ -83,12 +86,11 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen, } /* receive the complete CLC message */ - vec.iov_base = buf; - vec.iov_len = buflen; memset(&msg, 0, sizeof(struct msghdr)); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &vec, 1, buflen); krflags = MSG_WAITALL; smc->clcsock->sk->sk_rcvtimeo = CLC_WAIT_TIME; - len = kernel_recvmsg(smc->clcsock, &msg, &vec, 1, datlen, krflags); + len = sock_recvmsg(smc->clcsock, &msg, krflags); if (len < datlen) { smc->sk.sk_err = EPROTO; reason_code = -EPROTO; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index ff8e06cd067e..5570719e4787 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -338,8 +338,8 @@ static int svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr, rqstp->rq_xprt_hlen = 0; clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags); - len = kernel_recvmsg(svsk->sk_sock, &msg, iov, nr, buflen, - msg.msg_flags); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, iov, nr, buflen); + len = sock_recvmsg(svsk->sk_sock, &msg, msg.msg_flags); /* If we read a full record, then assume there may be more * data to read (stream based sockets only!) */ diff --git a/net/tipc/server.c b/net/tipc/server.c index d60c30342327..78a292a84afc 100644 --- a/net/tipc/server.c +++ b/net/tipc/server.c @@ -264,8 +264,8 @@ static int tipc_receive_from_sock(struct tipc_conn *con) iov.iov_base = buf; iov.iov_len = s->max_rcvbuf_size; msg.msg_name = &addr; - ret = kernel_recvmsg(con->sock, &msg, &iov, 1, iov.iov_len, - MSG_DONTWAIT); + iov_iter_kvec(&msg.msg_iter, READ | ITER_KVEC, &iov, 1, iov.iov_len); + ret = sock_recvmsg(con->sock, &msg, MSG_DONTWAIT); if (ret <= 0) { kmem_cache_free(s->rcvbuf_cache, buf); goto out_close; |