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authorChuck Lever <chuck.lever@oracle.com>2007-12-10 14:56:31 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-01-30 02:05:50 -0500
commit9f6ad26d2abfd9a2ec4a34b934ca75c4239ab8cf (patch)
tree9b02d2180d4ff4bfce6db27f856aa119bbc1ac18 /net/sunrpc
parent510deb0d7035d4fd465627deb3a119ca854f9e00 (diff)
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>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/rpcb_clnt.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index f876e37d197..c1310f79622 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);