SUNRPC: Use rpc_ntop() for constructing transport address strings
Clean up: In addition to using the new generic rpc_ntop() and
rpc_get_port() functions, have the RPC client compute the presentation
address buffer sizes dynamically using kstrdup().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 537c210..5f9b867 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -168,39 +168,30 @@
static void
xprt_rdma_format_addresses(struct rpc_xprt *xprt)
{
- struct sockaddr_in *addr = (struct sockaddr_in *)
+ struct sockaddr *sap = (struct sockaddr *)
&rpcx_to_rdmad(xprt).addr;
- char *buf;
+ struct sockaddr_in *sin = (struct sockaddr_in *)sap;
+ char buf[64];
- buf = kzalloc(20, GFP_KERNEL);
- if (buf)
- snprintf(buf, 20, "%pI4", &addr->sin_addr.s_addr);
- xprt->address_strings[RPC_DISPLAY_ADDR] = buf;
+ (void)rpc_ntop(sap, buf, sizeof(buf));
+ xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
- buf = kzalloc(8, GFP_KERNEL);
- if (buf)
- snprintf(buf, 8, "%u", ntohs(addr->sin_port));
- xprt->address_strings[RPC_DISPLAY_PORT] = buf;
+ (void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+ xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
- buf = kzalloc(48, GFP_KERNEL);
- if (buf)
- snprintf(buf, 48, "addr=%pI4 port=%u proto=%s",
- &addr->sin_addr.s_addr,
- ntohs(addr->sin_port), "rdma");
- xprt->address_strings[RPC_DISPLAY_ALL] = buf;
+ (void)snprintf(buf, sizeof(buf), "addr=%s port=%s proto=rdma",
+ xprt->address_strings[RPC_DISPLAY_ADDR],
+ xprt->address_strings[RPC_DISPLAY_PORT]);
+ xprt->address_strings[RPC_DISPLAY_ALL] = kstrdup(buf, GFP_KERNEL);
- buf = kzalloc(10, GFP_KERNEL);
- if (buf)
- snprintf(buf, 10, "%02x%02x%02x%02x",
- NIPQUAD(addr->sin_addr.s_addr));
- xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = buf;
+ (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
+ NIPQUAD(sin->sin_addr.s_addr));
+ xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
- buf = kzalloc(8, GFP_KERNEL);
- if (buf)
- snprintf(buf, 8, "%4hx", ntohs(addr->sin_port));
- xprt->address_strings[RPC_DISPLAY_HEX_PORT] = buf;
+ (void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+ xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
/* netid */
xprt->address_strings[RPC_DISPLAY_NETID] = "rdma";