diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c index 08a1473b2145..3191527928e4 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-prng.c @@ -103,7 +103,8 @@ int sun8i_ss_prng_generate(struct crypto_rng *tfm, const u8 *src, dma_iv = dma_map_single(ss->dev, ctx->seed, ctx->slen, DMA_TO_DEVICE); if (dma_mapping_error(ss->dev, dma_iv)) { dev_err(ss->dev, "Cannot DMA MAP IV\n"); - return -EFAULT; + err = -EFAULT; + goto err_free; } dma_dst = dma_map_single(ss->dev, d, todo, DMA_FROM_DEVICE); @@ -167,6 +168,7 @@ err_iv: memcpy(ctx->seed, d + dlen, ctx->slen); } memzero_explicit(d, todo); +err_free: kfree(d); return err; |