Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "Here is the crypto update for 4.3:

  API:

   - the AEAD interface transition is now complete.
   - add top-level skcipher interface.

  Drivers:

   - x86-64 acceleration for chacha20/poly1305.
   - add sunxi-ss Allwinner Security System crypto accelerator.
   - add RSA algorithm to qat driver.
   - add SRIOV support to qat driver.
   - add LS1021A support to caam.
   - add i.MX6 support to caam"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (163 commits)
  crypto: algif_aead - fix for multiple operations on AF_ALG sockets
  crypto: qat - enable legacy VFs
  MPI: Fix mpi_read_buffer
  crypto: qat - silence a static checker warning
  crypto: vmx - Fixing opcode issue
  crypto: caam - Use the preferred style for memory allocations
  crypto: caam - Propagate the real error code in caam_probe
  crypto: caam - Fix the error handling in caam_probe
  crypto: caam - fix writing to JQCR_MS when using service interface
  crypto: hash - Add AHASH_REQUEST_ON_STACK
  crypto: testmgr - Use new skcipher interface
  crypto: skcipher - Add top-level skcipher interface
  crypto: cmac - allow usage in FIPS mode
  crypto: sahara - Use dmam_alloc_coherent
  crypto: caam - Add support for LS1021A
  crypto: qat - Don't move data inside output buffer
  crypto: vmx - Fixing GHASH Key issue on little endian
  crypto: vmx - Fixing AES-CTR counter bug
  crypto: null - Add missing Kconfig tristate for NULL2
  crypto: nx - Add forward declaration for struct crypto_aead
  ...

1 files changed, 14 insertions, 11 deletions

diff --git a/crypto/algapi.c b/crypto/algapi.c
index 3c079b7f23f6..d130b41dbaea 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -67,12 +67,22 @@ static int crypto_check_alg(struct crypto_alg *alg)
 	return crypto_set_driver_name(alg);
 }
 
+static void crypto_free_instance(struct crypto_instance *inst)
+{
+	if (!inst->alg.cra_type->free) {
+		inst->tmpl->free(inst);
+		return;
+	}
+
+	inst->alg.cra_type->free(inst);
+}
+
 static void crypto_destroy_instance(struct crypto_alg *alg)
 {
 	struct crypto_instance *inst = (void *)alg;
 	struct crypto_template *tmpl = inst->tmpl;
 
-	tmpl->free(inst);
+	crypto_free_instance(inst);
 	crypto_tmpl_put(tmpl);
 }
 
@@ -481,7 +491,7 @@ void crypto_unregister_template(struct crypto_template *tmpl)
 
 	hlist_for_each_entry_safe(inst, n, list, list) {
 		BUG_ON(atomic_read(&inst->alg.cra_refcnt) != 1);
-		tmpl->free(inst);
+		crypto_free_instance(inst);
 	}
 	crypto_remove_final(&users);
 }
@@ -892,7 +902,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(crypto_enqueue_request);
 
-void *__crypto_dequeue_request(struct crypto_queue *queue, unsigned int offset)
+struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)
 {
 	struct list_head *request;
 
@@ -907,14 +917,7 @@ void *__crypto_dequeue_request(struct crypto_queue *queue, unsigned int offset)
 	request = queue->list.next;
 	list_del(request);
 
-	return (char *)list_entry(request, struct crypto_async_request, list) -
-	       offset;
-}
-EXPORT_SYMBOL_GPL(__crypto_dequeue_request);
-
-struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)
-{
-	return __crypto_dequeue_request(queue, 0);
+	return list_entry(request, struct crypto_async_request, list);
 }
 EXPORT_SYMBOL_GPL(crypto_dequeue_request);