crypto: shash - Add spawn support

This patch adds the functions needed to create and use shash
spawns, i.e., to use shash algorithms in a template.

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

1 files changed, 9 insertions, 0 deletions

diff --git a/crypto/shash.c b/crypto/shash.c
index 8f9d8831e29..97f6c8ba103 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -509,5 +509,14 @@ void shash_free_instance(struct crypto_instance *inst)
 }
 EXPORT_SYMBOL_GPL(shash_free_instance);
 
+int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
+                            struct shash_alg *alg,
+                            struct crypto_instance *inst)
+{
+        return crypto_init_spawn2(&spawn->base, &alg->base, inst,
+                                  &crypto_shash_type);
+}
+EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
+
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Synchronous cryptographic hash type");