diff options
Diffstat (limited to 'arch/s390/crypto/aes_s390.c')
| -rw-r--r-- | arch/s390/crypto/aes_s390.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c index da3c1a7dcd8e..b4dbade8ca24 100644 --- a/arch/s390/crypto/aes_s390.c +++ b/arch/s390/crypto/aes_s390.c @@ -325,7 +325,8 @@ static int ecb_aes_crypt(struct blkcipher_desc *desc, long func, void *param, u8 *in = walk->src.virt.addr; ret = crypt_s390_km(func, param, out, in, n); - BUG_ON((ret < 0) || (ret != n)); + if (ret < 0 || ret != n) + return -EIO; nbytes &= AES_BLOCK_SIZE - 1; ret = blkcipher_walk_done(desc, walk, nbytes); @@ -457,7 +458,8 @@ static int cbc_aes_crypt(struct blkcipher_desc *desc, long func, void *param, u8 *in = walk->src.virt.addr; ret = crypt_s390_kmc(func, param, out, in, n); - BUG_ON((ret < 0) || (ret != n)); + if (ret < 0 || ret != n) + return -EIO; nbytes &= AES_BLOCK_SIZE - 1; ret = blkcipher_walk_done(desc, walk, nbytes); @@ -625,7 +627,8 @@ static int xts_aes_crypt(struct blkcipher_desc *desc, long func, memcpy(xts_ctx->pcc.tweak, walk->iv, sizeof(xts_ctx->pcc.tweak)); param = xts_ctx->pcc.key + offset; ret = crypt_s390_pcc(func, param); - BUG_ON(ret < 0); + if (ret < 0) + return -EIO; memcpy(xts_ctx->xts_param, xts_ctx->pcc.xts, 16); param = xts_ctx->key + offset; @@ -636,7 +639,8 @@ static int xts_aes_crypt(struct blkcipher_desc *desc, long func, in = walk->src.virt.addr; ret = crypt_s390_km(func, param, out, in, n); - BUG_ON(ret < 0 || ret != n); + if (ret < 0 || ret != n) + return -EIO; nbytes &= AES_BLOCK_SIZE - 1; ret = blkcipher_walk_done(desc, walk, nbytes); @@ -769,7 +773,8 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, crypto_inc(ctrblk + i, AES_BLOCK_SIZE); } ret = crypt_s390_kmctr(func, sctx->key, out, in, n, ctrblk); - BUG_ON(ret < 0 || ret != n); + if (ret < 0 || ret != n) + return -EIO; if (n > AES_BLOCK_SIZE) memcpy(ctrblk, ctrblk + n - AES_BLOCK_SIZE, AES_BLOCK_SIZE); @@ -788,7 +793,8 @@ static int ctr_aes_crypt(struct blkcipher_desc *desc, long func, in = walk->src.virt.addr; ret = crypt_s390_kmctr(func, sctx->key, buf, in, AES_BLOCK_SIZE, ctrblk); - BUG_ON(ret < 0 || ret != AES_BLOCK_SIZE); + if (ret < 0 || ret != AES_BLOCK_SIZE) + return -EIO; memcpy(out, buf, nbytes); crypto_inc(ctrblk, AES_BLOCK_SIZE); ret = blkcipher_walk_done(desc, walk, 0); |