commit 38d21433112c25acdb8e93f60be629e7a1c27a26
author Herbert Xu <herbert@gondor.apana.org.au> Mon Apr 20 13:39:00 2015 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> Tue Apr 21 10:19:54 2015 +0800
tree 6181b6526feb9f200389026477499ebcc28e6c7c
parent 2a57e4241ec9a11ce89f43099a0f6b83a28058fa

crypto: api - Add crypto_alg_extsize helper

This patch adds a crypto_alg_extsize helper that can be used
by algorithm types such as pcompress and shash.

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

crypto/internal.h

diff --git a/crypto/internal.h b/crypto/internal.h
index bd39bfc..ed7a70c 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -103,6 +103,8 @@
 int crypto_unregister_notifier(struct notifier_block *nb);
 int crypto_probing_notify(unsigned long val, void *v);
 
+unsigned int crypto_alg_extsize(struct crypto_alg *alg);
+
 static inline struct crypto_alg *crypto_alg_get(struct crypto_alg *alg)
 {
 	atomic_inc(&alg->cra_refcnt);