diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 65 | ||||
| -rw-r--r-- | net/sunrpc/svc.c | 8 |
2 files changed, 30 insertions, 43 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index 24db2b4d12d..cc7250d4659 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -176,13 +176,12 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr, } static int rpcb_register_call(struct sockaddr *addr, size_t addrlen, - u32 version, struct rpc_message *msg, - int *result) + u32 version, struct rpc_message *msg) { struct rpc_clnt *rpcb_clnt; - int error = 0; + int result, error = 0; - *result = 0; + msg->rpc_resp = &result; rpcb_clnt = rpcb_create_local(addr, addrlen, version); if (!IS_ERR(rpcb_clnt)) { @@ -191,12 +190,19 @@ static int rpcb_register_call(struct sockaddr *addr, size_t addrlen, } else error = PTR_ERR(rpcb_clnt); - if (error < 0) + if (error < 0) { printk(KERN_WARNING "RPC: failed to contact local rpcbind " "server (errno %d).\n", -error); - dprintk("RPC: registration status %d/%d\n", error, *result); + return error; + } + + if (!result) { + dprintk("RPC: registration failed\n"); + return -EACCES; + } - return error; + dprintk("RPC: registration succeeded\n"); + return 0; } /** @@ -205,7 +211,11 @@ static int rpcb_register_call(struct sockaddr *addr, size_t addrlen, * @vers: RPC version number to bind * @prot: transport protocol to register * @port: port value to register - * @okay: OUT: result code + * + * Returns zero if the registration request was dispatched successfully + * and the rpcbind daemon returned success. Otherwise, returns an errno + * value that reflects the nature of the error (request could not be + * dispatched, timed out, or rpcbind returned an error). * * RPC services invoke this function to advertise their contact * information via the system's rpcbind daemon. RPC services @@ -217,15 +227,6 @@ static int rpcb_register_call(struct sockaddr *addr, size_t addrlen, * all registered transports for [program, version] from the local * rpcbind database. * - * Returns zero if the registration request was dispatched - * successfully and a reply was received. The rpcbind daemon's - * boolean result code is stored in *okay. - * - * Returns an errno value and sets *result to zero if there was - * some problem that prevented the rpcbind request from being - * dispatched, or if the rpcbind daemon did not respond within - * the timeout. - * * This function uses rpcbind protocol version 2 to contact the * local rpcbind daemon. * @@ -236,7 +237,7 @@ static int rpcb_register_call(struct sockaddr *addr, size_t addrlen, * IN6ADDR_ANY (ie available for all AF_INET and AF_INET6 * addresses). */ -int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay) +int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port) { struct rpcbind_args map = { .r_prog = prog, @@ -246,7 +247,6 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay) }; struct rpc_message msg = { .rpc_argp = &map, - .rpc_resp = okay, }; dprintk("RPC: %sregistering (%u, %u, %d, %u) with local " @@ -259,7 +259,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay) return rpcb_register_call((struct sockaddr *)&rpcb_inaddr_loopback, sizeof(rpcb_inaddr_loopback), - RPCBVERS_2, &msg, okay); + RPCBVERS_2, &msg); } /* @@ -290,7 +290,7 @@ static int rpcb_register_netid4(struct sockaddr_in *address_to_register, return rpcb_register_call((struct sockaddr *)&rpcb_inaddr_loopback, sizeof(rpcb_inaddr_loopback), - RPCBVERS_4, msg, msg->rpc_resp); + RPCBVERS_4, msg); } /* @@ -321,7 +321,7 @@ static int rpcb_register_netid6(struct sockaddr_in6 *address_to_register, return rpcb_register_call((struct sockaddr *)&rpcb_in6addr_loopback, sizeof(rpcb_in6addr_loopback), - RPCBVERS_4, msg, msg->rpc_resp); + RPCBVERS_4, msg); } /** @@ -330,7 +330,11 @@ static int rpcb_register_netid6(struct sockaddr_in6 *address_to_register, * @version: RPC version number of service to (un)register * @address: address family, IP address, and port to (un)register * @netid: netid of transport protocol to (un)register - * @result: result code from rpcbind RPC call + * + * Returns zero if the registration request was dispatched successfully + * and the rpcbind daemon returned success. Otherwise, returns an errno + * value that reflects the nature of the error (request could not be + * dispatched, timed out, or rpcbind returned an error). * * RPC services invoke this function to advertise their contact * information via the system's rpcbind daemon. RPC services @@ -342,15 +346,6 @@ static int rpcb_register_netid6(struct sockaddr_in6 *address_to_register, * to zero. Callers pass a netid of "" to unregister all * transport netids associated with [program, version, address]. * - * Returns zero if the registration request was dispatched - * successfully and a reply was received. The rpcbind daemon's - * result code is stored in *result. - * - * Returns an errno value and sets *result to zero if there was - * some problem that prevented the rpcbind request from being - * dispatched, or if the rpcbind daemon did not respond within - * the timeout. - * * This function uses rpcbind protocol version 4 to contact the * local rpcbind daemon. The local rpcbind daemon must support * version 4 of the rpcbind protocol in order for these functions @@ -372,8 +367,7 @@ static int rpcb_register_netid6(struct sockaddr_in6 *address_to_register, * advertises the service on all IPv4 and IPv6 addresses. */ int rpcb_v4_register(const u32 program, const u32 version, - const struct sockaddr *address, const char *netid, - int *result) + const struct sockaddr *address, const char *netid) { struct rpcbind_args map = { .r_prog = program, @@ -383,11 +377,8 @@ int rpcb_v4_register(const u32 program, const u32 version, }; struct rpc_message msg = { .rpc_argp = &map, - .rpc_resp = result, }; - *result = 0; - switch (address->sa_family) { case AF_INET: return rpcb_register_netid4((struct sockaddr_in *)address, diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 9ba17044109..9805143d066 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -730,7 +730,7 @@ svc_register(struct svc_serv *serv, int proto, unsigned short port) struct svc_program *progp; unsigned long flags; unsigned int i; - int error = 0, dummy; + int error = 0; if (!port) clear_thread_flag(TIF_SIGPENDING); @@ -751,13 +751,9 @@ svc_register(struct svc_serv *serv, int proto, unsigned short port) if (progp->pg_vers[i]->vs_hidden) continue; - error = rpcb_register(progp->pg_prog, i, proto, port, &dummy); + error = rpcb_register(progp->pg_prog, i, proto, port); if (error < 0) break; - if (port && !dummy) { - error = -EACCES; - break; - } } } |