[PATCH v4 01/17] crypto: Add a flag to identify crypto instances

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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 <steffen.klassert@xxxxxxxxxxx>
---
 crypto/algapi.c        |    1 +
 include/linux/crypto.h |    5 +++++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/crypto/algapi.c b/crypto/algapi.c
index c3cf1a6..6fd9bcf 100644
--- 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
index e5e468e..de9adec 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -72,6 +72,11 @@
 #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).
  */
 #define CRYPTO_TFM_REQ_MASK		0x000fff00
-- 
1.7.0.4

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