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| author | Salvatore Mesoraca <s.mesoraca16@gmail.com> | 2018-04-09 15:54:47 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-04-20 18:58:34 +0200 |
| commit | 6650c4de681ee90ea6da1fc34fb913f60e9bb008 (patch) | |
| tree | 6b0aad6025f677271fa95e979ddb04d5083463e1 /crypto/cipher.c | |
| parent | crypto: api - laying defines and checks for statically allocated buffers (diff) | |
| download | linux-6650c4de681ee90ea6da1fc34fb913f60e9bb008.tar.xz linux-6650c4de681ee90ea6da1fc34fb913f60e9bb008.zip | |
crypto: remove several VLAs
We avoid various VLAs[1] by using constant expressions for block size
and alignment mask.
[1] http://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com
Signed-off-by: Salvatore Mesoraca <s.mesoraca16@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/cipher.c')
| -rw-r--r-- | crypto/cipher.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/crypto/cipher.c b/crypto/cipher.c index 94fa3551476b..57836c30a49a 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -13,6 +13,7 @@ * */ +#include <crypto/algapi.h> #include <linux/kernel.h> #include <linux/crypto.h> #include <linux/errno.h> @@ -67,7 +68,7 @@ static void cipher_crypt_unaligned(void (*fn)(struct crypto_tfm *, u8 *, { unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); unsigned int size = crypto_tfm_alg_blocksize(tfm); - u8 buffer[size + alignmask]; + u8 buffer[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *tmp = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(tmp, src, size); |