crypto: aesni-intel - move more common code to ablk_init_common

ablk_*_init functions share more common code than what is currently in
ablk_init_common. Move all of the common code to ablk_init_common.

Cc: Huang Ying <ying.huang@intel.com>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 15 insertions, 55 deletions

diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 20c622016629..ac7f5cd019e8 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -442,61 +442,42 @@ static void ablk_exit(struct crypto_tfm *tfm)
         cryptd_free_ablkcipher(ctx->cryptd_tfm);
 }
 
-static void ablk_init_common(struct crypto_tfm *tfm,
-                             struct cryptd_ablkcipher *cryptd_tfm)
+static int ablk_init_common(struct crypto_tfm *tfm, const char *drv_name)
 {
         struct async_aes_ctx *ctx = crypto_tfm_ctx(tfm);
+        struct cryptd_ablkcipher *cryptd_tfm;
+
+        cryptd_tfm = cryptd_alloc_ablkcipher(drv_name, 0, 0);
+        if (IS_ERR(cryptd_tfm))
+                return PTR_ERR(cryptd_tfm);
 
         ctx->cryptd_tfm = cryptd_tfm;
         tfm->crt_ablkcipher.reqsize = sizeof(struct ablkcipher_request) +
                 crypto_ablkcipher_reqsize(&cryptd_tfm->base);
+
+        return 0;
 }
 
 static int ablk_ecb_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("__driver-ecb-aes-aesni", 0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "__driver-ecb-aes-aesni");
 }
 
 static int ablk_cbc_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("__driver-cbc-aes-aesni", 0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "__driver-cbc-aes-aesni");
 }
 
 #ifdef CONFIG_X86_64
 static int ablk_ctr_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("__driver-ctr-aes-aesni", 0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "__driver-ctr-aes-aesni");
 }
 
 #ifdef HAS_CTR
 static int ablk_rfc3686_ctr_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher(
-                "rfc3686(__driver-ctr-aes-aesni)", 0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "rfc3686(__driver-ctr-aes-aesni)");
 }
 #endif
 #endif
@@ -504,42 +485,21 @@ static int ablk_rfc3686_ctr_init(struct crypto_tfm *tfm)
 #ifdef HAS_LRW
 static int ablk_lrw_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("fpu(lrw(__driver-aes-aesni))",
-                                             0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "fpu(lrw(__driver-aes-aesni))");
 }
 #endif
 
 #ifdef HAS_PCBC
 static int ablk_pcbc_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("fpu(pcbc(__driver-aes-aesni))",
-                                             0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "fpu(pcbc(__driver-aes-aesni))");
 }
 #endif
 
 #ifdef HAS_XTS
 static int ablk_xts_init(struct crypto_tfm *tfm)
 {
-        struct cryptd_ablkcipher *cryptd_tfm;
-
-        cryptd_tfm = cryptd_alloc_ablkcipher("fpu(xts(__driver-aes-aesni))",
-                                             0, 0);
-        if (IS_ERR(cryptd_tfm))
-                return PTR_ERR(cryptd_tfm);
-        ablk_init_common(tfm, cryptd_tfm);
-        return 0;
+        return ablk_init_common(tfm, "fpu(xts(__driver-aes-aesni))");
 }
 #endif