diff options
Diffstat (limited to 'drivers/crypto/vmx/aes_xts.c')
| -rw-r--r-- | drivers/crypto/vmx/aes_xts.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c index ecd64e5cc5bb..5bf4c3856650 100644 --- a/drivers/crypto/vmx/aes_xts.c +++ b/drivers/crypto/vmx/aes_xts.c @@ -86,14 +86,15 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key, pagefault_disable(); enable_kernel_vsx(); ret = aes_p8_set_encrypt_key(key + keylen/2, (keylen/2) * 8, &ctx->tweak_key); - ret += aes_p8_set_encrypt_key(key, (keylen/2) * 8, &ctx->enc_key); - ret += aes_p8_set_decrypt_key(key, (keylen/2) * 8, &ctx->dec_key); + ret |= aes_p8_set_encrypt_key(key, (keylen/2) * 8, &ctx->enc_key); + ret |= aes_p8_set_decrypt_key(key, (keylen/2) * 8, &ctx->dec_key); disable_kernel_vsx(); pagefault_enable(); preempt_enable(); - ret += crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); - return ret; + ret |= crypto_sync_skcipher_setkey(ctx->fallback, key, keylen); + + return ret ? -EINVAL : 0; } static int p8_aes_xts_crypt(struct blkcipher_desc *desc, |