diff options
Diffstat (limited to 'drivers/crypto/vmx/aes_xts.c')
-rw-r--r-- | drivers/crypto/vmx/aes_xts.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c index 49f7258045fa..9fee1b1532a4 100644 --- a/drivers/crypto/vmx/aes_xts.c +++ b/drivers/crypto/vmx/aes_xts.c @@ -84,7 +84,10 @@ static int p8_aes_xts_crypt(struct skcipher_request *req, int enc) u8 tweak[AES_BLOCK_SIZE]; int ret; - if (!crypto_simd_usable()) { + if (req->cryptlen < AES_BLOCK_SIZE) + return -EINVAL; + + if (!crypto_simd_usable() || (req->cryptlen % XTS_BLOCK_SIZE) != 0) { struct skcipher_request *subreq = skcipher_request_ctx(req); *subreq = *req; |