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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2022-05-18 19:33:44 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2022-06-10 10:40:16 +0200 |
| commit | d2765e1b9ac4b2d5a5d5bf17f468c9b3566c3770 (patch) | |
| tree | f207958ee66d234d281cbf07ff89ef41e55ef495 | |
| parent | crypto: ccp - Use kzalloc for sev ioctl interfaces to prevent kernel memory leak (diff) | |
| download | linux-d2765e1b9ac4b2d5a5d5bf17f468c9b3566c3770.tar.xz linux-d2765e1b9ac4b2d5a5d5bf17f468c9b3566c3770.zip | |
crypto: sun8i-ss - fix error codes in allocate_flows()
These failure paths should return -ENOMEM. Currently they return
success.
Fixes: 359e893e8af4 ("crypto: sun8i-ss - rework handling of IV")
Fixes: 8eec4563f152 ("crypto: sun8i-ss - do not allocate memory when handling hash requests")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c index 98593a0cff69..ac2329e2b0e5 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c @@ -528,25 +528,33 @@ static int allocate_flows(struct sun8i_ss_dev *ss) ss->flows[i].biv = devm_kmalloc(ss->dev, AES_BLOCK_SIZE, GFP_KERNEL | GFP_DMA); - if (!ss->flows[i].biv) + if (!ss->flows[i].biv) { + err = -ENOMEM; goto error_engine; + } for (j = 0; j < MAX_SG; j++) { ss->flows[i].iv[j] = devm_kmalloc(ss->dev, AES_BLOCK_SIZE, GFP_KERNEL | GFP_DMA); - if (!ss->flows[i].iv[j]) + if (!ss->flows[i].iv[j]) { + err = -ENOMEM; goto error_engine; + } } /* the padding could be up to two block. */ ss->flows[i].pad = devm_kmalloc(ss->dev, MAX_PAD_SIZE, GFP_KERNEL | GFP_DMA); - if (!ss->flows[i].pad) + if (!ss->flows[i].pad) { + err = -ENOMEM; goto error_engine; + } ss->flows[i].result = devm_kmalloc(ss->dev, SHA256_DIGEST_SIZE, GFP_KERNEL | GFP_DMA); - if (!ss->flows[i].result) + if (!ss->flows[i].result) { + err = -ENOMEM; goto error_engine; + } ss->flows[i].engine = crypto_engine_alloc_init(ss->dev, true); if (!ss->flows[i].engine) { |