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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> | 2018-04-21 00:58:34 +0800 |
commit | 68eb1dea32ef1959b61eb19dbb8634978d9c97f7 (patch) | |
tree | 7236dcb428c5975da825b898f8ec9f83d51f0cb5 /crypto/cts.c | |
parent | 3cca76668c54918d30418df08cbc42af90cdaa93 (diff) | |
download | linux-crypto-68eb1dea32ef1959b61eb19dbb8634978d9c97f7.tar.gz linux-crypto-68eb1dea32ef1959b61eb19dbb8634978d9c97f7.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 '')
-rw-r--r-- | crypto/cts.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/cts.c b/crypto/cts.c index 4773c188..4e28d83a 100644 --- a/crypto/cts.c +++ b/crypto/cts.c @@ -40,6 +40,7 @@ * rfc3962 includes errata information in its Appendix A. */ +#include <crypto/algapi.h> #include <crypto/internal/skcipher.h> #include <linux/err.h> #include <linux/init.h> @@ -104,7 +105,7 @@ static int cts_cbc_encrypt(struct skcipher_request *req) struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); struct skcipher_request *subreq = &rctx->subreq; int bsize = crypto_skcipher_blocksize(tfm); - u8 d[bsize * 2] __aligned(__alignof__(u32)); + u8 d[MAX_CIPHER_BLOCKSIZE * 2] __aligned(__alignof__(u32)); struct scatterlist *sg; unsigned int offset; int lastn; @@ -183,7 +184,7 @@ static int cts_cbc_decrypt(struct skcipher_request *req) struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); struct skcipher_request *subreq = &rctx->subreq; int bsize = crypto_skcipher_blocksize(tfm); - u8 d[bsize * 2] __aligned(__alignof__(u32)); + u8 d[MAX_CIPHER_BLOCKSIZE * 2] __aligned(__alignof__(u32)); struct scatterlist *sg; unsigned int offset; u8 *space; |