crypto: skcipher - Use tmpl->create

Newer templates use tmpl->create and have a NULL tmpl->alloc.  So
we must use tmpl->create if it is set.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index b3dded4..b15d797 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -586,6 +586,13 @@
 	if (!tmpl)
 		goto kill_larval;
 
+	if (tmpl->create) {
+		err = tmpl->create(tmpl, tb);
+		if (err)
+			goto put_tmpl;
+		goto ok;
+	}
+
 	inst = tmpl->alloc(tb);
 	err = PTR_ERR(inst);
 	if (IS_ERR(inst))
@@ -597,6 +604,7 @@
 		goto put_tmpl;
 	}
 
+ok:
 	/* Redo the lookup to use the instance we just registered. */
 	err = -EAGAIN;