diff options
| -rw-r--r-- | include/linux/sunrpc/svcsock.h | 12 | ||||
| -rw-r--r-- | net/sunrpc/svcsock.c | 26 |
2 files changed, 22 insertions, 16 deletions
diff --git a/include/linux/sunrpc/svcsock.h b/include/linux/sunrpc/svcsock.h index 92ad02f0dcc0..613cf42227aa 100644 --- a/include/linux/sunrpc/svcsock.h +++ b/include/linux/sunrpc/svcsock.h @@ -26,11 +26,21 @@ struct svc_sock { void (*sk_owspace)(struct sock *); /* private TCP part */ - u32 sk_reclen; /* length of record */ + __be32 sk_reclen; /* length of record */ u32 sk_tcplen; /* current read length */ struct page * sk_pages[RPCSVC_MAXPAGES]; /* received data */ }; +static inline u32 svc_sock_reclen(struct svc_sock *svsk) +{ + return ntohl(svsk->sk_reclen) & RPC_FRAGMENT_SIZE_MASK; +} + +static inline u32 svc_sock_final_rec(struct svc_sock *svsk) +{ + return ntohl(svsk->sk_reclen) & RPC_LAST_STREAM_FRAGMENT; +} + /* * Function prototypes. */ diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 03827cef1fa7..d50de2b95036 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -950,8 +950,7 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) return -EAGAIN; } - svsk->sk_reclen = ntohl(svsk->sk_reclen); - if (!(svsk->sk_reclen & RPC_LAST_STREAM_FRAGMENT)) { + if (!(svc_sock_final_rec(svsk))) { /* FIXME: technically, a record can be fragmented, * and non-terminal fragments will not have the top * bit set in the fragment length header. @@ -961,21 +960,18 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp) goto err_delete; } - svsk->sk_reclen &= RPC_FRAGMENT_SIZE_MASK; - dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen); - if (svsk->sk_reclen > serv->sv_max_mesg) { + dprintk("svc: TCP record, %d bytes\n", svc_sock_reclen(svsk)); + if (svc_sock_reclen(svsk) > serv->sv_max_mesg) { net_notice_ratelimited("RPC: fragment too large: 0x%08lx\n", - (unsigned long)svsk->sk_reclen); + (unsigned long)svc_sock_reclen(svsk)); goto err_delete; } } - if (svsk->sk_reclen < 8) + if (svc_sock_reclen(svsk) < 8) goto err_delete; /* client is nuts. */ - len = svsk->sk_reclen; - - return len; + return svc_sock_reclen(svsk); error: dprintk("RPC: TCP recv_record got %d\n", len); return len; @@ -1019,7 +1015,7 @@ static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp) if (dst->iov_len < src->iov_len) return -EAGAIN; /* whatever; just giving up. */ memcpy(dst->iov_base, src->iov_base, src->iov_len); - xprt_complete_rqst(req->rq_task, svsk->sk_reclen); + xprt_complete_rqst(req->rq_task, rqstp->rq_arg.len); rqstp->rq_arg.len = 0; return 0; } @@ -1064,12 +1060,12 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) goto error; base = svc_tcp_restore_pages(svsk, rqstp); - want = svsk->sk_reclen - base; + want = svc_sock_reclen(svsk) - base; vec = rqstp->rq_vec; pnum = copy_pages_to_kvecs(&vec[0], &rqstp->rq_pages[0], - svsk->sk_reclen); + svc_sock_reclen(svsk)); rqstp->rq_respages = &rqstp->rq_pages[pnum]; @@ -1082,11 +1078,11 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) if (len < 0 && len != -EAGAIN) goto err_other; dprintk("svc: incomplete TCP record (%d of %d)\n", - svsk->sk_tcplen, svsk->sk_reclen); + svsk->sk_tcplen, svc_sock_reclen(svsk)); goto err_noclose; } - rqstp->rq_arg.len = svsk->sk_reclen; + rqstp->rq_arg.len = svc_sock_reclen(svsk); rqstp->rq_arg.page_base = 0; if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len) { rqstp->rq_arg.head[0].iov_len = rqstp->rq_arg.len; |