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SUNRPC: Clean up address type casts in rpcb_v4_register() 

Clean up: Simplify rpcb_v4_register() and its helpers by moving the
details of sockaddr type casting to rpcb_v4_register()'s helper
functions.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Chuck Lever 2009-03-18 20:47:06 -04:00 committed by Trond Myklebust
parent ba5c35e0c7
commit 3aba45536f
1 changed files with 12 additions and 14 deletions
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26
net/sunrpc/rpcb_clnt.c
View File

@ -170,7 +170,7 @@ static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
return rpc_create(&args);
}
static int rpcb_register_call(u32 version, struct rpc_message *msg)
static int rpcb_register_call(const u32 version, struct rpc_message *msg)
{
struct sockaddr *addr = (struct sockaddr *)&rpcb_inaddr_loopback;
size_t addrlen = sizeof(rpcb_inaddr_loopback);
@ -255,17 +255,17 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port)
/*
* Fill in AF_INET family-specific arguments to register
*/
static int rpcb_register_netid4(struct sockaddr_in *address_to_register,
static int rpcb_register_netid4(const struct sockaddr *sap,
struct rpc_message *msg)
{
const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(address_to_register->sin_port);
unsigned short port = ntohs(sin->sin_port);
char buf[32];
/* Construct AF_INET universal address */
snprintf(buf, sizeof(buf), "%pI4.%u.%u",
&address_to_register->sin_addr.s_addr,
port >> 8, port & 0xff);
&sin->sin_addr.s_addr, port >> 8, port & 0xff);
map->r_addr = buf;
dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with "
@ -283,21 +283,21 @@ static int rpcb_register_netid4(struct sockaddr_in *address_to_register,
/*
* Fill in AF_INET6 family-specific arguments to register
*/
static int rpcb_register_netid6(struct sockaddr_in6 *address_to_register,
static int rpcb_register_netid6(const struct sockaddr *sap,
struct rpc_message *msg)
{
const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(address_to_register->sin6_port);
unsigned short port = ntohs(sin6->sin6_port);
char buf[64];
/* Construct AF_INET6 universal address */
if (ipv6_addr_any(&address_to_register->sin6_addr))
if (ipv6_addr_any(&sin6->sin6_addr))
snprintf(buf, sizeof(buf), "::.%u.%u",
port >> 8, port & 0xff);
else
snprintf(buf, sizeof(buf), "%pI6.%u.%u",
&address_to_register->sin6_addr,
port >> 8, port & 0xff);
&sin6->sin6_addr, port >> 8, port & 0xff);
map->r_addr = buf;
dprintk("RPC: %sregistering [%u, %u, %s, '%s'] with "
@ -369,11 +369,9 @@ int rpcb_v4_register(const u32 program, const u32 version,
switch (address->sa_family) {
case AF_INET:
return rpcb_register_netid4((struct sockaddr_in *)address,
&msg);
return rpcb_register_netid4(address, &msg);
case AF_INET6:
return rpcb_register_netid6((struct sockaddr_in6 *)address,
&msg);
return rpcb_register_netid6(address, &msg);
}
return -EAFNOSUPPORT;