[CRYPTO] api: Add ablkcipher_request_set_tfm

This patch adds ablkcipher_request_set_tfm for those users that need
to manage the memory for ablkcipher requests directly.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 0ec2467891db..0de7e2ace822 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -588,6 +588,12 @@ static inline int crypto_ablkcipher_reqsize(struct crypto_ablkcipher *tfm)
         return crypto_ablkcipher_crt(tfm)->reqsize;
 }
 
+static inline void ablkcipher_request_set_tfm(
+        struct ablkcipher_request *req, struct crypto_ablkcipher *tfm)
+{
+        req->base.tfm = crypto_ablkcipher_tfm(tfm);
+}
+
 static inline struct ablkcipher_request *ablkcipher_request_cast(
         struct crypto_async_request *req)
 {
@@ -603,7 +609,7 @@ static inline struct ablkcipher_request *ablkcipher_request_alloc(
                       crypto_ablkcipher_reqsize(tfm), gfp);
 
         if (likely(req))
-                req->base.tfm = crypto_ablkcipher_tfm(tfm);
+                ablkcipher_request_set_tfm(req, tfm);
 
         return req;
 }