SUNRPC: net/sunrpc/xdr.c: remove xdr_decode_string()

 This patch removes ths unused function xdr_decode_string().
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NNeil Brown <neilb@suse.de>
Acked-by: NCharles Lever <Charles.Lever@netapp.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>

include/linux/sunrpc/xdr.h

@@ -91,7 +91,6 @@ struct xdr_buf {
 u32 *	xdr_encode_opaque_fixed(u32 *p, const void *ptr, unsigned int len);
 u32 *	xdr_encode_opaque(u32 *p, const void *ptr, unsigned int len);
 u32 *	xdr_encode_string(u32 *p, const char *s);
-u32 *	xdr_decode_string(u32 *p, char **sp, int *lenp, int maxlen);
 u32 *	xdr_decode_string_inplace(u32 *p, char **sp, int *lenp, int maxlen);
 u32 *	xdr_encode_netobj(u32 *p, const struct xdr_netobj *);
 u32 *	xdr_decode_netobj(u32 *p, struct xdr_netobj *);

net/sunrpc/xdr.c

@@ -92,27 +92,6 @@ xdr_encode_string(u32 *p, const char *string)
 	return xdr_encode_array(p, string, strlen(string));
 }
 
-u32 *
-xdr_decode_string(u32 *p, char **sp, int *lenp, int maxlen)
-{
-	unsigned int	len;
-	char		*string;
-
-	if ((len = ntohl(*p++)) > maxlen)
-		return NULL;
-	if (lenp)
-		*lenp = len;
-	if ((len % 4) != 0) {
-		string = (char *) p;
-	} else {
-		string = (char *) (p - 1);
-		memmove(string, p, len);
-	}
-	string[len] = '\0';
-	*sp = string;
-	return p + XDR_QUADLEN(len);
-}
-
 u32 *
 xdr_decode_string_inplace(u32 *p, char **sp, int *lenp, int maxlen)
 {