From 3aba45536fe8f92aa07bcdfd2fb1cf17eec7d786 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Wed, 18 Mar 2009 20:47:06 -0400 Subject: [PATCH] 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 Signed-off-by: Trond Myklebust --- net/sunrpc/rpcb_clnt.c | 26 ++++++++++++-------------- 1 file changed, 12 insertions(+), 14 deletions(-) diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c index ebce7a5976c9..44d0732ba874 100644 --- a/net/sunrpc/rpcb_clnt.c +++ b/net/sunrpc/rpcb_clnt.c @@ -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; -- 2.20.1