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crypto: hisilicon - use kcalloc() instead of kzalloc()

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As noted in the kernel documentation [1], open-coded multiplication in
allocator arguments is discouraged because it can lead to integer overflow.

Use devm_kcalloc() to gain built-in overflow protection, making memory
allocation safer when calculating allocation size compared to explicit
multiplication.

Link: https://www.kernel.org/doc/html/next/process/deprecated.html#open-coded-arithmetic-in-allocator-arguments #1
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Reviewed-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Qianfeng Rong 2025-08-21 22:27:31 +08:00 • committed by Herbert Xu
parent 4c634b6b3c
commit 41eab2a959
3 changed files with 3 additions and 3 deletions
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2
drivers/crypto/hisilicon/hpre/hpre_main.c
View file

@ -1213,7 +1213,7 @@ static int hpre_pre_store_cap_reg(struct hisi_qm *qm)
size_t i, size;
size = ARRAY_SIZE(hpre_cap_query_info);
hpre_cap = devm_kzalloc(dev, sizeof(*hpre_cap) * size, GFP_KERNEL);
hpre_cap = devm_kcalloc(dev, size, sizeof(*hpre_cap), GFP_KERNEL);
if (!hpre_cap)
return -ENOMEM;

2
drivers/crypto/hisilicon/sec2/sec_main.c
View file

@ -1215,7 +1215,7 @@ static int sec_pre_store_cap_reg(struct hisi_qm *qm)
size_t i, size;
size = ARRAY_SIZE(sec_cap_query_info);
sec_cap = devm_kzalloc(&pdev->dev, sizeof(*sec_cap) * size, GFP_KERNEL);
sec_cap = devm_kcalloc(&pdev->dev, size, sizeof(*sec_cap), GFP_KERNEL);
if (!sec_cap)
return -ENOMEM;

2
drivers/crypto/hisilicon/zip/zip_main.c
View file

@ -1331,7 +1331,7 @@ static int zip_pre_store_cap_reg(struct hisi_qm *qm)
size_t i, size;
size = ARRAY_SIZE(zip_cap_query_info);
zip_cap = devm_kzalloc(&pdev->dev, sizeof(*zip_cap) * size, GFP_KERNEL);
zip_cap = devm_kcalloc(&pdev->dev, size, sizeof(*zip_cap), GFP_KERNEL);
if (!zip_cap)
return -ENOMEM;