crypto: kpp - Move reqsize into tfm

The value of reqsize cannot be determined in case of fallbacks.
Therefore it must be stored in the tfm and not the alg object.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/crypto/internal/kpp.h

@@ -53,7 +53,7 @@ static inline void *kpp_request_ctx(struct kpp_request *req)
 static inline void kpp_set_reqsize(struct crypto_kpp *kpp,
 				   unsigned int reqsize)
 {
-	crypto_kpp_alg(kpp)->reqsize = reqsize;
+	kpp->reqsize = reqsize;
 }
 
 static inline void *kpp_tfm_ctx(struct crypto_kpp *tfm)

include/crypto/kpp.h

@@ -37,9 +37,13 @@ struct kpp_request {
  * struct crypto_kpp - user-instantiated object which encapsulate
  * algorithms and core processing logic
  *
+ * @reqsize:		Request context size required by algorithm
+ *			implementation
  * @base:	Common crypto API algorithm data structure
  */
 struct crypto_kpp {
+	unsigned int reqsize;
+
 	struct crypto_tfm base;
 };
 
@@ -64,8 +68,6 @@ struct crypto_kpp {
  *			put in place here.
  * @exit:		Undo everything @init did.
  *
- * @reqsize:		Request context size required by algorithm
- *			implementation
  * @base:		Common crypto API algorithm data structure
  */
 struct kpp_alg {
@@ -79,7 +81,6 @@ struct kpp_alg {
 	int (*init)(struct crypto_kpp *tfm);
 	void (*exit)(struct crypto_kpp *tfm);
 
-	unsigned int reqsize;
 	struct crypto_alg base;
 };
 
@@ -128,7 +129,7 @@ static inline struct kpp_alg *crypto_kpp_alg(struct crypto_kpp *tfm)
 
 static inline unsigned int crypto_kpp_reqsize(struct crypto_kpp *tfm)
 {
-	return crypto_kpp_alg(tfm)->reqsize;
+	return tfm->reqsize;
 }
 
 static inline void kpp_request_set_tfm(struct kpp_request *req,