Re: [PATCH resend] net/sunrpc: Remove uses of NIPQUAD, use %pI4

From: Chuck Lever
Date: Mon Mar 08 2010 - 10:48:40 EST


On 03/06/2010 01:46 AM, Joe Perches wrote:
Originally submitted Jan 1, 2010
http://patchwork.kernel.org/patch/71221/

Convert NIPQUAD to the %pI4 format extension where possible
Convert %02x%02x%02x%02x/NIPQUAD to %08x/ntohl

Signed-off-by: Joe Perches<joe@xxxxxxxxxxx>
---
net/sunrpc/xprtrdma/transport.c | 3 +--
net/sunrpc/xprtsock.c | 5 ++---
2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 7018eef..83d339f 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -165,8 +165,7 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)

xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";

- (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
- NIPQUAD(sin->sin_addr.s_addr));
+ (void)snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);

(void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 3d739e5..86234bc 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -297,12 +297,11 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt)
switch (sap->sa_family) {
case AF_INET:
sin = xs_addr_in(xprt);
- (void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
- NIPQUAD(sin->sin_addr.s_addr));
+ snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
break;
case AF_INET6:
sin6 = xs_addr_in6(xprt);
- (void)snprintf(buf, sizeof(buf), "%pi6",&sin6->sin6_addr);
+ snprintf(buf, sizeof(buf), "%pi6",&sin6->sin6_addr);

Why remove the (void) here, but not in xprtrdma/transport.c? IMO the (void) cast should be left in place at all three call sites.

break;
default:
BUG();


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chuck[dot]lever[at]oracle[dot]com
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