diff options
Diffstat (limited to 'target/linux/apm821xx/patches-4.14/022-0004-crypto-crypto4xx-avoid-VLA-use.patch')
| -rw-r--r-- | target/linux/apm821xx/patches-4.14/022-0004-crypto-crypto4xx-avoid-VLA-use.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/apm821xx/patches-4.14/022-0004-crypto-crypto4xx-avoid-VLA-use.patch b/target/linux/apm821xx/patches-4.14/022-0004-crypto-crypto4xx-avoid-VLA-use.patch new file mode 100644 index 0000000000..a3e1b8c7df --- /dev/null +++ b/target/linux/apm821xx/patches-4.14/022-0004-crypto-crypto4xx-avoid-VLA-use.patch @@ -0,0 +1,61 @@ +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) { |