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authorHerbert Xu <herbert@gondor.apana.org.au>2009-07-07 15:17:12 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2009-07-08 18:57:10 +0800
commit2e4fddd8e420e8f531a34e7a97f9cdb851a6ad13 (patch)
tree8f708150f9dca8286a0b6f1d347bda657a3c57a9 /crypto
parent70ec7bb91ad0d6cce84c8e17f8cbb608dda7b18c (diff)
downloadop-kernel-dev-2e4fddd8e420e8f531a34e7a97f9cdb851a6ad13.zip
op-kernel-dev-2e4fddd8e420e8f531a34e7a97f9cdb851a6ad13.tar.gz
crypto: shash - Add shash_instance
This patch adds shash_instance and the associated alloc/free functions. This is meant to be an instance that with a shash algorithm under it. Note that the instance itself doesn't have to be shash. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/shash.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 2ccc8b0..8f9d883 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -502,5 +502,12 @@ int crypto_unregister_shash(struct shash_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_shash);
+void shash_free_instance(struct crypto_instance *inst)
+{
+ crypto_drop_spawn(crypto_instance_ctx(inst));
+ kfree(shash_instance(inst));
+}
+EXPORT_SYMBOL_GPL(shash_free_instance);
+
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Synchronous cryptographic hash type");
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