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>

diff --git a/crypto/ahash.c b/crypto/ahash.c
index 3887a98abcc3c255ccc37de87f11411b17522086..2ce8bcb9049c8a6aa3c3120287816509b9b8228a 100644 (file)
--- 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