diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index ac417a6b39e5..36a82b22953c 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -30,8 +30,8 @@ static int sun8i_ss_hashkey(struct sun8i_ss_hash_tfm_ctx *tfmctx, const u8 *key, int ret = 0; xtfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_NEED_FALLBACK); - if (!xtfm) - return -ENOMEM; + if (IS_ERR(xtfm)) + return PTR_ERR(xtfm); len = sizeof(*sdesc) + crypto_shash_descsize(xtfm); sdesc = kmalloc(len, GFP_KERNEL); @@ -586,7 +586,8 @@ retry: rctx->t_dst[k + 1].len = rctx->t_dst[k].len; } addr_xpad = dma_map_single(ss->dev, tfmctx->ipad, bs, DMA_TO_DEVICE); - if (dma_mapping_error(ss->dev, addr_xpad)) { + err = dma_mapping_error(ss->dev, addr_xpad); + if (err) { dev_err(ss->dev, "Fail to create DMA mapping of ipad\n"); goto err_dma_xpad; } @@ -612,7 +613,8 @@ retry: goto err_dma_result; } addr_xpad = dma_map_single(ss->dev, tfmctx->opad, bs, DMA_TO_DEVICE); - if (dma_mapping_error(ss->dev, addr_xpad)) { + err = dma_mapping_error(ss->dev, addr_xpad); + if (err) { dev_err(ss->dev, "Fail to create DMA mapping of opad\n"); goto err_dma_xpad; } |