crypto: glue_helper - remove the le128_gf128mul_x_ble function

The le128_gf128mul_x_ble function in glue_helper.h is now obsolete and
can be replaced with the gf128mul_x_ble function from gf128mul.h.

Signed-off-by: Ondrej Mosnacek <omosnacek@gmail.com>
Reviewd-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/x86/crypto/glue_helper.c

@@ -27,6 +27,7 @@
 
 #include <linux/module.h>
 #include <crypto/b128ops.h>
+#include <crypto/gf128mul.h>
 #include <crypto/internal/skcipher.h>
 #include <crypto/lrw.h>
 #include <crypto/xts.h>
@@ -457,7 +458,7 @@ void glue_xts_crypt_128bit_one(void *ctx, u128 *dst, const u128 *src, le128 *iv,
 	le128 ivblk = *iv;
 
 	/* generate next IV */
-	le128_gf128mul_x_ble(iv, &ivblk);
+	gf128mul_x_ble(iv, &ivblk);
 
 	/* CC <- T xor C */
 	u128_xor(dst, src, (u128 *)&ivblk);

arch/x86/include/asm/crypto/glue_helper.h

@@ -125,16 +125,6 @@ static inline void le128_inc(le128 *i)
 	i->b = cpu_to_le64(b);
 }
 
-static inline void le128_gf128mul_x_ble(le128 *dst, const le128 *src)
-{
-	u64 a = le64_to_cpu(src->a);
-	u64 b = le64_to_cpu(src->b);
-	u64 _tt = ((s64)a >> 63) & 0x87;
-
-	dst->a = cpu_to_le64((a << 1) ^ (b >> 63));
-	dst->b = cpu_to_le64((b << 1) ^ _tt);
-}
-
 extern int glue_ecb_crypt_128bit(const struct common_glue_ctx *gctx,
 				 struct blkcipher_desc *desc,
 				 struct scatterlist *dst,