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| author | Chuck Lever <chuck.lever@oracle.com> | 2007-12-10 14:56:31 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-01-30 02:05:50 -0500 |
| commit | 9f6ad26d2abfd9a2ec4a34b934ca75c4239ab8cf (patch) | |
| tree | 9b02d2180d4ff4bfce6db27f856aa119bbc1ac18 | |
| parent | 510deb0d7035d4fd465627deb3a119ca854f9e00 (diff) | |
| download | linux-9f6ad26d2abfd9a2ec4a34b934ca75c4239ab8cf.tar.bz2 | |
SUNRPC: Fix socket address handling in rpcb_clnt
Make sure rpcb_clnt passes the correct address length to rpc_create().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | net/sunrpc/rpcb_clnt.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index f876e37d1972..c1310f796224 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -148,12 +148,13 @@ static void rpcb_wake_rpcbind_waiters(struct rpc_xprt *xprt, int status) } static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr, - int proto, int version, int privileged) + size_t salen, int proto, int version, + int privileged) { struct rpc_create_args args = { .protocol = proto, .address = srvaddr, - .addrsize = sizeof(struct sockaddr_in), + .addrsize = salen, .servername = hostname, .program = &rpcb_program, .version = version, @@ -216,7 +217,7 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port, int *okay) prog, vers, prot, port); rpcb_clnt = rpcb_create("localhost", (struct sockaddr *) &sin, - XPRT_TRANSPORT_UDP, 2, 1); + sizeof(sin), XPRT_TRANSPORT_UDP, 2, 1); if (IS_ERR(rpcb_clnt)) return PTR_ERR(rpcb_clnt); @@ -265,7 +266,8 @@ int rpcb_getport_sync(struct sockaddr_in *sin, __u32 prog, __FUNCTION__, NIPQUAD(sin->sin_addr.s_addr), prog, vers, prot); sprintf(hostname, NIPQUAD_FMT, NIPQUAD(sin->sin_addr.s_addr)); - rpcb_clnt = rpcb_create(hostname, (struct sockaddr *)sin, prot, 2, 0); + rpcb_clnt = rpcb_create(hostname, (struct sockaddr *)sin, + sizeof(sin), prot, 2, 0); if (IS_ERR(rpcb_clnt)) return PTR_ERR(rpcb_clnt); @@ -314,7 +316,9 @@ void rpcb_getport_async(struct rpc_task *task) struct rpc_clnt *rpcb_clnt; static struct rpcbind_args *map; struct rpc_task *child; - struct sockaddr addr; + struct sockaddr_storage addr; + struct sockaddr *sap = (struct sockaddr *)&addr; + size_t salen; int status; struct rpcb_info *info; @@ -344,10 +348,10 @@ void rpcb_getport_async(struct rpc_task *task) goto bailout_nofree; } - rpc_peeraddr(clnt, (void *)&addr, sizeof(addr)); + salen = rpc_peeraddr(clnt, sap, sizeof(addr)); /* Don't ever use rpcbind v2 for AF_INET6 requests */ - switch (addr.sa_family) { + switch (sap->sa_family) { case AF_INET: info = rpcb_next_version; break; @@ -372,7 +376,7 @@ void rpcb_getport_async(struct rpc_task *task) dprintk("RPC: %5u %s: trying rpcbind version %u\n", task->tk_pid, __FUNCTION__, bind_version); - rpcb_clnt = rpcb_create(clnt->cl_server, &addr, xprt->prot, + rpcb_clnt = rpcb_create(clnt->cl_server, sap, salen, xprt->prot, bind_version, 0); if (IS_ERR(rpcb_clnt)) { status = PTR_ERR(rpcb_clnt); |