crypto: Add a flag to identify crypto instances

The upcomming crypto user configuration api needs to identify crypto instances. This patch adds a flag that is set if the algorithm is an instance that is build from templates. Signed-off-by: Steffen Klassert <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
mrcsosa · Oct 21, 2011 · 64a947b · 64a947b
1 parent 8280daa
commit 64a947b
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diff --git a/crypto/algapi.c b/crypto/algapi.c
@@ -493,6 +493,7 @@ int crypto_register_instance(struct crypto_template *tmpl,
 		goto err;
 
 	inst->alg.cra_module = tmpl->module;
+	inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
 
 	down_write(&crypto_alg_sem);
 

diff --git a/include/linux/crypto.h b/include/linux/crypto.h
@@ -71,6 +71,11 @@
 
 #define CRYPTO_ALG_TESTED		0x00000400
 
+/*
+ * Set if the algorithm is an instance that is build from templates.
+ */
+#define CRYPTO_ALG_INSTANCE		0x00000800
+
 /*
  * Transform masks and values (for crt_flags).
  */