crypto: blowfish - rename C-version to blowfish_generic

Rename blowfish to blowfish_generic so that assembler versions of blowfish
cipher can autoload. Module alias 'blowfish' is added.

Also fix checkpatch warnings.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

crypto/Makefile

@@ -60,7 +60,7 @@ obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o
 obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o
 obj-$(CONFIG_CRYPTO_DES) += des_generic.o
 obj-$(CONFIG_CRYPTO_FCRYPT) += fcrypt.o
-obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish.o
+obj-$(CONFIG_CRYPTO_BLOWFISH) += blowfish_generic.o
 obj-$(CONFIG_CRYPTO_BLOWFISH_COMMON) += blowfish_common.o
 obj-$(CONFIG_CRYPTO_TWOFISH) += twofish_generic.o
 obj-$(CONFIG_CRYPTO_TWOFISH_COMMON) += twofish_common.o

crypto/blowfish.c → crypto/blowfish_generic.c

@@ -36,7 +36,7 @@
 #define bf_F(x) (((S[GET32_0(x)] + S[256 + GET32_1(x)]) ^ \
 		S[512 + GET32_2(x)]) + S[768 + GET32_3(x)])
 
-#define ROUND(a, b, n)  b ^= P[n]; a ^= bf_F (b)
+#define ROUND(a, b, n) ({ b ^= P[n]; a ^= bf_F(b); })
 
 static void bf_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 {
@@ -108,6 +108,8 @@ static void bf_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
 
 static struct crypto_alg alg = {
 	.cra_name		=	"blowfish",
+	.cra_driver_name	=	"blowfish-generic",
+	.cra_priority		=	100,
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	BF_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct bf_ctx),
@@ -137,3 +139,4 @@ module_exit(blowfish_mod_fini);
 
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Blowfish Cipher Algorithm");
+MODULE_ALIAS("blowfish");