X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=crypto%2Falgapi.c;h=f7d2185b2c8fbac94cf6f6736b5f1a965f224bb9;hb=39732acd968a007036ff3c504f1e6748024ef548;hp=c91530021e9ce6744b1382950eb9fed3d258d119;hpb=1ab9dd0902df4f4ff56fbf672220549090ab28ba;p=linux-2.6-omap-h63xx.git

diff --git a/crypto/algapi.c b/crypto/algapi.c
index c91530021e9..f7d2185b2c8 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -377,7 +377,8 @@ void crypto_drop_spawn(struct crypto_spawn *spawn)
 }
 EXPORT_SYMBOL_GPL(crypto_drop_spawn);
 
-struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn)
+struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
+				    u32 mask)
 {
 	struct crypto_alg *alg;
 	struct crypto_alg *alg2;
@@ -396,10 +397,18 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn)
 		return ERR_PTR(-EAGAIN);
 	}
 
-	tfm = __crypto_alloc_tfm(alg, 0);
+	tfm = ERR_PTR(-EINVAL);
+	if (unlikely((alg->cra_flags ^ type) & mask))
+		goto out_put_alg;
+
+	tfm = __crypto_alloc_tfm(alg, type, mask);
 	if (IS_ERR(tfm))
-		crypto_mod_put(alg);
+		goto out_put_alg;
+
+	return tfm;
 
+out_put_alg:
+	crypto_mod_put(alg);
 	return tfm;
 }
 EXPORT_SYMBOL_GPL(crypto_spawn_tfm);