SUNRPC: Use kmemdup_nul() in rpc_parse_scope_id()

Using kmemdup_nul() is more efficient when the length is known.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index d024af4..8b4d72b 100644 (file)
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -175,7 +175,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf,
                return 0;
 
        len = (buf + buflen) - delim - 1;
-       p = kstrndup(delim + 1, len, GFP_KERNEL);
+       p = kmemdup_nul(delim + 1, len, GFP_KERNEL);
        if (p) {
                u32 scope_id = 0;
                struct net_device *dev;