From 2495cf25f60e085b35beb9b215235dfe1ca4f200 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Wed, 29 Jun 2016 18:03:47 +0800
Subject: [PATCH] crypto: ahash - Add padding in crypto_ahash_extsize
The function crypto_ahash_extsize did not include padding when
computing the tfm context size. This patch fixes this by using
the generic crypto_alg_extsize helper.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
crypto/ahash.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 3887a98abcc3c..2ce8bcb9049c8 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -461,10 +461,10 @@ static int crypto_ahash_init_tfm(struct crypto_tfm *tfm)
static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
{
- if (alg->cra_type == &crypto_ahash_type)
- return alg->cra_ctxsize;
+ if (alg->cra_type != &crypto_ahash_type)
+ return sizeof(struct crypto_shash *);
- return sizeof(struct crypto_shash *);
+ return crypto_alg_extsize(alg);
}
#ifdef CONFIG_NET
--
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