1 files changed, 43 insertions, 43 deletions

diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index c305d41..ff174b6 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -20,6 +20,7 @@
 
 #include <crypto/algapi.h>
 #include <crypto/internal/aead.h>
+#include <linux/atomic.h>
 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -60,8 +61,8 @@ static struct padata_pcrypt pdecrypt;
 static struct kset           *pcrypt_kset;
 
 struct pcrypt_instance_ctx {
-	struct crypto_spawn spawn;
-	unsigned int tfm_count;
+	struct crypto_aead_spawn spawn;
+	atomic_t tfm_count;
 };
 
 struct pcrypt_aead_ctx {
@@ -278,9 +279,8 @@ static int pcrypt_aead_init_tfm(struct crypto_tfm *tfm)
 	struct pcrypt_aead_ctx *ctx = crypto_tfm_ctx(tfm);
 	struct crypto_aead *cipher;
 
-	ictx->tfm_count++;
-
-	cpu_index = ictx->tfm_count % cpumask_weight(cpu_online_mask);
+	cpu_index = (unsigned int)atomic_inc_return(&ictx->tfm_count) %
+		    cpumask_weight(cpu_online_mask);
 
 	ctx->cb_cpu = cpumask_first(cpu_online_mask);
 	for (cpu = 0; cpu < cpu_index; cpu++)
@@ -292,9 +292,10 @@ static int pcrypt_aead_init_tfm(struct crypto_tfm *tfm)
 		return PTR_ERR(cipher);
 
 	ctx->child = cipher;
-	tfm->crt_aead.reqsize = sizeof(struct pcrypt_request)
-		+ sizeof(struct aead_givcrypt_request)
-		+ crypto_aead_reqsize(cipher);
+	crypto_aead_set_reqsize(__crypto_aead_cast(tfm),
+		sizeof(struct pcrypt_request) +
+		sizeof(struct aead_givcrypt_request) +
+		crypto_aead_reqsize(cipher));
 
 	return 0;
 }
@@ -306,57 +307,50 @@ static void pcrypt_aead_exit_tfm(struct crypto_tfm *tfm)
 	crypto_free_aead(ctx->child);
 }
 
-static struct crypto_instance *pcrypt_alloc_instance(struct crypto_alg *alg)
+static int pcrypt_init_instance(struct crypto_instance *inst,
+				struct crypto_alg *alg)
 {
-	struct crypto_instance *inst;
-	struct pcrypt_instance_ctx *ctx;
-	int err;
-
-	inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
-	if (!inst) {
-		inst = ERR_PTR(-ENOMEM);
-		goto out;
-	}
-
-	err = -ENAMETOOLONG;
 	if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME,
 		     "pcrypt(%s)", alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
-		goto out_free_inst;
+		return -ENAMETOOLONG;
 
 	memcpy(inst->alg.cra_name, alg->cra_name, CRYPTO_MAX_ALG_NAME);
 
-	ctx = crypto_instance_ctx(inst);
-	err = crypto_init_spawn(&ctx->spawn, alg, inst,
-				CRYPTO_ALG_TYPE_MASK);
-	if (err)
-		goto out_free_inst;
-
 	inst->alg.cra_priority = alg->cra_priority + 100;
 	inst->alg.cra_blocksize = alg->cra_blocksize;
 	inst->alg.cra_alignmask = alg->cra_alignmask;
 
-out:
-	return inst;
-
-out_free_inst:
-	kfree(inst);
-	inst = ERR_PTR(err);
-	goto out;
+	return 0;
 }
 
 static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb,
 						 u32 type, u32 mask)
 {
+	struct pcrypt_instance_ctx *ctx;
 	struct crypto_instance *inst;
 	struct crypto_alg *alg;
+	const char *name;
+	int err;
+
+	name = crypto_attr_alg_name(tb[1]);
+	if (IS_ERR(name))
+		return ERR_CAST(name);
+
+	inst = kzalloc(sizeof(*inst) + sizeof(*ctx), GFP_KERNEL);
+	if (!inst)
+		return ERR_PTR(-ENOMEM);
+
+	ctx = crypto_instance_ctx(inst);
+	crypto_set_aead_spawn(&ctx->spawn, inst);
 
-	alg = crypto_get_attr_alg(tb, type, (mask & CRYPTO_ALG_TYPE_MASK));
-	if (IS_ERR(alg))
-		return ERR_CAST(alg);
+	err = crypto_grab_aead(&ctx->spawn, name, 0, 0);
+	if (err)
+		goto out_free_inst;
 
-	inst = pcrypt_alloc_instance(alg);
-	if (IS_ERR(inst))
-		goto out_put_alg;
+	alg = crypto_aead_spawn_alg(&ctx->spawn);
+	err = pcrypt_init_instance(inst, alg);
+	if (err)
+		goto out_drop_aead;
 
 	inst->alg.cra_flags = CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
 	inst->alg.cra_type = &crypto_aead_type;
@@ -376,9 +370,15 @@ static struct crypto_instance *pcrypt_alloc_aead(struct rtattr **tb,
 	inst->alg.cra_aead.decrypt = pcrypt_aead_decrypt;
 	inst->alg.cra_aead.givencrypt = pcrypt_aead_givencrypt;
 
-out_put_alg:
-	crypto_mod_put(alg);
+out:
 	return inst;
+
+out_drop_aead:
+	crypto_drop_aead(&ctx->spawn);
+out_free_inst:
+	kfree(inst);
+	inst = ERR_PTR(err);
+	goto out;
 }
 
 static struct crypto_instance *pcrypt_alloc(struct rtattr **tb)
@@ -401,7 +401,7 @@ static void pcrypt_free(struct crypto_instance *inst)
 {
 	struct pcrypt_instance_ctx *ctx = crypto_instance_ctx(inst);
 
-	crypto_drop_spawn(&ctx->spawn);
+	crypto_drop_aead(&ctx->spawn);
 	kfree(inst);
 }