62 lines
2.3 KiB
Diff
62 lines
2.3 KiB
Diff
From c4e90650ff0cbf123ec9cfc32026fa0fb2931658 Mon Sep 17 00:00:00 2001
|
|
From: Christian Lamparter <chunkeey@gmail.com>
|
|
Date: Thu, 19 Apr 2018 18:41:53 +0200
|
|
Subject: [PATCH 4/8] crypto: crypto4xx - avoid VLA use
|
|
|
|
This patch fixes some of the -Wvla warnings.
|
|
|
|
crypto4xx_alg.c:83:19: warning: Variable length array is used.
|
|
crypto4xx_alg.c:273:56: warning: Variable length array is used.
|
|
crypto4xx_alg.c:380:32: warning: Variable length array is used.
|
|
|
|
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
|
|
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
|
|
---
|
|
drivers/crypto/amcc/crypto4xx_alg.c | 14 ++++----------
|
|
1 file changed, 4 insertions(+), 10 deletions(-)
|
|
|
|
--- a/drivers/crypto/amcc/crypto4xx_alg.c
|
|
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
|
|
@@ -80,7 +80,7 @@ static inline int crypto4xx_crypt(struct
|
|
{
|
|
struct crypto_skcipher *cipher = crypto_skcipher_reqtfm(req);
|
|
struct crypto4xx_ctx *ctx = crypto_skcipher_ctx(cipher);
|
|
- __le32 iv[ivlen];
|
|
+ __le32 iv[AES_IV_SIZE];
|
|
|
|
if (ivlen)
|
|
crypto4xx_memcpy_to_le32(iv, req->iv, ivlen);
|
|
@@ -270,13 +270,7 @@ static inline bool crypto4xx_aead_need_f
|
|
static int crypto4xx_aead_fallback(struct aead_request *req,
|
|
struct crypto4xx_ctx *ctx, bool do_decrypt)
|
|
{
|
|
- char aead_req_data[sizeof(struct aead_request) +
|
|
- crypto_aead_reqsize(ctx->sw_cipher.aead)]
|
|
- __aligned(__alignof__(struct aead_request));
|
|
-
|
|
- struct aead_request *subreq = (void *) aead_req_data;
|
|
-
|
|
- memset(subreq, 0, sizeof(aead_req_data));
|
|
+ struct aead_request *subreq = aead_request_ctx(req);
|
|
|
|
aead_request_set_tfm(subreq, ctx->sw_cipher.aead);
|
|
aead_request_set_callback(subreq, req->base.flags,
|
|
@@ -377,7 +371,7 @@ static int crypto4xx_crypt_aes_ccm(struc
|
|
struct crypto_aead *aead = crypto_aead_reqtfm(req);
|
|
unsigned int len = req->cryptlen;
|
|
__le32 iv[16];
|
|
- u32 tmp_sa[ctx->sa_len * 4];
|
|
+ u32 tmp_sa[SA_AES128_CCM_LEN + 4];
|
|
struct dynamic_sa_ctl *sa = (struct dynamic_sa_ctl *)tmp_sa;
|
|
|
|
if (crypto4xx_aead_need_fallback(req, true, decrypt))
|
|
@@ -386,7 +380,7 @@ static int crypto4xx_crypt_aes_ccm(struc
|
|
if (decrypt)
|
|
len -= crypto_aead_authsize(aead);
|
|
|
|
- memcpy(tmp_sa, decrypt ? ctx->sa_in : ctx->sa_out, sizeof(tmp_sa));
|
|
+ memcpy(tmp_sa, decrypt ? ctx->sa_in : ctx->sa_out, ctx->sa_len * 4);
|
|
sa->sa_command_0.bf.digest_len = crypto_aead_authsize(aead) >> 2;
|
|
|
|
if (req->iv[0] == 1) {
|