X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=crypto%2Fshash.c;h=7a659733f94a4e1087fabcfc8d5e48fd6c5c4521;hb=21cdbc1378e8aa96e1ed4a606dce1a8e7daf7fdf;hp=d5a2b619c55f79e3b7cbff1f1d06d3048364b49c;hpb=ff7473300d429118aa97368ba5a16bc63aecfc75;p=~andy%2Flinux

diff --git a/crypto/shash.c b/crypto/shash.c
index d5a2b619c55..7a659733f94 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -18,15 +18,10 @@
 #include <linux/slab.h>
 #include <linux/seq_file.h>
 
-static const struct crypto_type crypto_shash_type;
-
-static inline struct crypto_shash *__crypto_shash_cast(struct crypto_tfm *tfm)
-{
-	return container_of(tfm, struct crypto_shash, base);
-}
-
 #include "internal.h"
 
+static const struct crypto_type crypto_shash_type;
+
 static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key,
 				  unsigned int keylen)
 {
@@ -282,8 +277,7 @@ static int crypto_init_shash_ops_async(struct crypto_tfm *tfm)
 	if (!crypto_mod_get(calg))
 		return -EAGAIN;
 
-	shash = __crypto_shash_cast(crypto_create_tfm(
-		calg, &crypto_shash_type));
+	shash = crypto_create_tfm(calg, &crypto_shash_type);
 	if (IS_ERR(shash)) {
 		crypto_mod_put(calg);
 		return PTR_ERR(shash);
@@ -391,8 +385,7 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
 	if (!crypto_mod_get(calg))
 		return -EAGAIN;
 
-	shash = __crypto_shash_cast(crypto_create_tfm(
-		calg, &crypto_shash_type));
+	shash = crypto_create_tfm(calg, &crypto_shash_type);
 	if (IS_ERR(shash)) {
 		crypto_mod_put(calg);
 		return PTR_ERR(shash);
@@ -442,8 +435,6 @@ static unsigned int crypto_shash_ctxsize(struct crypto_alg *alg, u32 type,
 static int crypto_shash_init_tfm(struct crypto_tfm *tfm,
 				 const struct crypto_type *frontend)
 {
-	if (frontend->type != CRYPTO_ALG_TYPE_SHASH)
-		return -EINVAL;
 	return 0;
 }
 
@@ -482,8 +473,7 @@ static const struct crypto_type crypto_shash_type = {
 struct crypto_shash *crypto_alloc_shash(const char *alg_name, u32 type,
 					u32 mask)
 {
-	return __crypto_shash_cast(
-		crypto_alloc_tfm(alg_name, &crypto_shash_type, type, mask));
+	return crypto_alloc_tfm(alg_name, &crypto_shash_type, type, mask);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_shash);