diff options
Diffstat (limited to 'net/sunrpc/rpcb_clnt.c')
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 60 |
1 files changed, 21 insertions, 39 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index fa6d7ca2c851..d2a2ea090f95 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -705,14 +705,11 @@ static int rpcb_enc_mapping(struct rpc_rqst *req, __be32 *p, xdr_init_encode(&xdr, &req->rq_snd_buf, p); - p = xdr_reserve_space(&xdr, sizeof(__be32) * RPCB_mappingargs_sz); - if (unlikely(p == NULL)) - return -EIO; - - *p++ = htonl(rpcb->r_prog); - *p++ = htonl(rpcb->r_vers); - *p++ = htonl(rpcb->r_prot); - *p = htonl(rpcb->r_port); + p = xdr_reserve_space(&xdr, RPCB_mappingargs_sz << 2); + *p++ = cpu_to_be32(rpcb->r_prog); + *p++ = cpu_to_be32(rpcb->r_vers); + *p++ = cpu_to_be32(rpcb->r_prot); + *p = cpu_to_be32(rpcb->r_port); return 0; } @@ -728,11 +725,11 @@ static int rpcb_dec_getport(struct rpc_rqst *req, __be32 *p, rpcb->r_port = 0; - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(&xdr, 4); if (unlikely(p == NULL)) return -EIO; - port = ntohl(*p); + port = be32_to_cpup(p); dprintk("RPC: %5u PMAP_%s result: %lu\n", task->tk_pid, task->tk_msg.rpc_proc->p_name, port); if (unlikely(port > USHRT_MAX)) @@ -750,7 +747,7 @@ static int rpcb_dec_set(struct rpc_rqst *req, __be32 *p, xdr_init_decode(&xdr, &req->rq_rcv_buf, p); - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(&xdr, 4); if (unlikely(p == NULL)) return -EIO; @@ -764,24 +761,16 @@ static int rpcb_dec_set(struct rpc_rqst *req, __be32 *p, return 0; } -static int encode_rpcb_string(struct xdr_stream *xdr, const char *string, - const u32 maxstrlen) +static void encode_rpcb_string(struct xdr_stream *xdr, const char *string, + const u32 maxstrlen) { - u32 len; __be32 *p; + u32 len; - if (unlikely(string == NULL)) - return -EIO; len = strlen(string); - if (unlikely(len > maxstrlen)) - return -EIO; - - p = xdr_reserve_space(xdr, sizeof(__be32) + len); - if (unlikely(p == NULL)) - return -EIO; + BUG_ON(len > maxstrlen); + p = xdr_reserve_space(xdr, 4 + len); xdr_encode_opaque(p, string, len); - - return 0; } static int rpcb_enc_getaddr(struct rpc_rqst *req, __be32 *p, @@ -797,20 +786,13 @@ static int rpcb_enc_getaddr(struct rpc_rqst *req, __be32 *p, xdr_init_encode(&xdr, &req->rq_snd_buf, p); - p = xdr_reserve_space(&xdr, - sizeof(__be32) * (RPCB_program_sz + RPCB_version_sz)); - if (unlikely(p == NULL)) - return -EIO; - *p++ = htonl(rpcb->r_prog); - *p = htonl(rpcb->r_vers); - - if (encode_rpcb_string(&xdr, rpcb->r_netid, RPCBIND_MAXNETIDLEN)) - return -EIO; - if (encode_rpcb_string(&xdr, rpcb->r_addr, RPCBIND_MAXUADDRLEN)) - return -EIO; - if (encode_rpcb_string(&xdr, rpcb->r_owner, RPCB_MAXOWNERLEN)) - return -EIO; + p = xdr_reserve_space(&xdr, (RPCB_program_sz + RPCB_version_sz) << 2); + *p++ = cpu_to_be32(rpcb->r_prog); + *p = cpu_to_be32(rpcb->r_vers); + encode_rpcb_string(&xdr, rpcb->r_netid, RPCBIND_MAXNETIDLEN); + encode_rpcb_string(&xdr, rpcb->r_addr, RPCBIND_MAXUADDRLEN); + encode_rpcb_string(&xdr, rpcb->r_owner, RPCB_MAXOWNERLEN); return 0; } @@ -827,10 +809,10 @@ static int rpcb_dec_getaddr(struct rpc_rqst *req, __be32 *p, xdr_init_decode(&xdr, &req->rq_rcv_buf, p); - p = xdr_inline_decode(&xdr, sizeof(__be32)); + p = xdr_inline_decode(&xdr, 4); if (unlikely(p == NULL)) goto out_fail; - len = ntohl(*p); + len = be32_to_cpup(p); /* * If the returned universal address is a null string, |