diff options
Diffstat (limited to 'arch/x86/crypto')
| -rw-r--r-- | arch/x86/crypto/chacha20_glue.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/crypto/chacha20_glue.c b/arch/x86/crypto/chacha20_glue.c index 78f75b0..1e6af1b 100644 --- a/arch/x86/crypto/chacha20_glue.c +++ b/arch/x86/crypto/chacha20_glue.c @@ -67,10 +67,13 @@ static int chacha20_simd(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); struct chacha20_ctx *ctx = crypto_skcipher_ctx(tfm); - u32 state[16] __aligned(CHACHA20_STATE_ALIGN); + u32 *state, state_buf[16 + 2] __aligned(8); struct skcipher_walk walk; int err; + BUILD_BUG_ON(CHACHA20_STATE_ALIGN != 16); + state = PTR_ALIGN(state_buf + 0, CHACHA20_STATE_ALIGN); + if (req->cryptlen <= CHACHA20_BLOCK_SIZE || !may_use_simd()) return crypto_chacha20_crypt(req); |
