crypto: ixp4xx - Use crypto_aead_maxauthsize

This patch uses the helper crypto_aead_maxauthsize instead of
directly dereferencing aead_alg.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
index 46cd6966dc45..7ba495f75370 100644
--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -1097,7 +1097,7 @@ static int aead_setup(struct crypto_aead *tfm, unsigned int authsize)
 {
         struct ixp_ctx *ctx = crypto_aead_ctx(tfm);
         u32 *flags = &tfm->base.crt_flags;
-        unsigned digest_len = crypto_aead_alg(tfm)->maxauthsize;
+        unsigned digest_len = crypto_aead_maxauthsize(tfm);
         int ret;
 
         if (!ctx->enckey_len && !ctx->authkey_len)
@@ -1139,7 +1139,7 @@ out:
 
 static int aead_setauthsize(struct crypto_aead *tfm, unsigned int authsize)
 {
-        int max = crypto_aead_alg(tfm)->maxauthsize >> 2;
+        int max = crypto_aead_maxauthsize(tfm) >> 2;
 
         if ((authsize>>2) < 1 || (authsize>>2) > max || (authsize & 3))
                 return -EINVAL;