From 6650c4de681ee90ea6da1fc34fb913f60e9bb008 Mon Sep 17 00:00:00 2001 From: Salvatore Mesoraca Date: Mon, 9 Apr 2018 15:54:47 +0200 Subject: 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 Signed-off-by: Herbert Xu --- crypto/ctr.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'crypto/ctr.c') diff --git a/crypto/ctr.c b/crypto/ctr.c index 854d924f9d8e..435b75bd619e 100644 --- a/crypto/ctr.c +++ b/crypto/ctr.c @@ -58,7 +58,7 @@ static void crypto_ctr_crypt_final(struct blkcipher_walk *walk, unsigned int bsize = crypto_cipher_blocksize(tfm); unsigned long alignmask = crypto_cipher_alignmask(tfm); u8 *ctrblk = walk->iv; - u8 tmp[bsize + alignmask]; + u8 tmp[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); u8 *src = walk->src.virt.addr; u8 *dst = walk->dst.virt.addr; @@ -106,7 +106,7 @@ static int crypto_ctr_crypt_inplace(struct blkcipher_walk *walk, unsigned int nbytes = walk->nbytes; u8 *ctrblk = walk->iv; u8 *src = walk->src.virt.addr; - u8 tmp[bsize + alignmask]; + u8 tmp[MAX_CIPHER_BLOCKSIZE + MAX_CIPHER_ALIGNMASK]; u8 *keystream = PTR_ALIGN(tmp + 0, alignmask + 1); do { -- cgit