From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 7 Jul 2009 04:30:33 +0000 (+0800)
Subject: crypto: api - Add new template create function
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f2ac72e8268d9559c3114d5a22679f91f80a2238;p=linux.git

crypto: api - Add new template create function

This patch introduces the template->create function intended
to replace the existing alloc function.  The intention is for
create to handle the registration directly, whereas currently
the caller of alloc has to handle the registration.

This allows type-specific code to be run prior to registration.

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

diff --git a/crypto/algboss.c b/crypto/algboss.c
index 9908dd830c263..412241ce4cfae 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -68,6 +68,11 @@ static int cryptomgr_probe(void *data)
 		goto err;
 
 	do {
+		if (tmpl->create) {
+			err = tmpl->create(tmpl, param->tb);
+			continue;
+		}
+
 		inst = tmpl->alloc(param->tb);
 		if (IS_ERR(inst))
 			err = PTR_ERR(inst);
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 010545436efa2..ce010a3464209 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -52,6 +52,7 @@ struct crypto_template {
 
 	struct crypto_instance *(*alloc)(struct rtattr **tb);
 	void (*free)(struct crypto_instance *inst);
+	int (*create)(struct crypto_template *tmpl, struct rtattr **tb);
 
 	char name[CRYPTO_MAX_ALG_NAME];
 };