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authorSalvatore Mesoraca <s.mesoraca16@gmail.com>2018-04-09 15:54:47 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2018-04-21 00:58:34 +0800
commit6650c4de681ee90ea6da1fc34fb913f60e9bb008 (patch)
tree6b0aad6025f677271fa95e979ddb04d5083463e1 /crypto/cipher.c
parent13c935bb09948aef0202574ee12bb089459eb43b (diff)
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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.c3
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);