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| author | Yang Shen <shenyang39@huawei.com> | 2020-09-07 10:21:56 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-09-18 09:20:09 +0200 |
| commit | 533b2079291c5941b98b624738511a22e0dca10d (patch) | |
| tree | 1c94c79f7c98113e5a93c776e9425ac5e261d68a /drivers/crypto/hisilicon | |
| parent | crypto: hisilicon/zip - modify debugfs interface parameters (diff) | |
| download | linux-533b2079291c5941b98b624738511a22e0dca10d.tar.xz linux-533b2079291c5941b98b624738511a22e0dca10d.zip | |
crypto: hisilicon/zip - replace 'sprintf' with 'scnprintf'
Replace 'sprintf' with 'scnprintf' to avoid overrun.
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon')
| -rw-r--r-- | drivers/crypto/hisilicon/zip/zip_main.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c index df1a16f9dd8e..dd2c3268e4ad 100644 --- a/drivers/crypto/hisilicon/zip/zip_main.c +++ b/drivers/crypto/hisilicon/zip/zip_main.c @@ -428,7 +428,7 @@ static ssize_t hisi_zip_ctrl_debug_read(struct file *filp, char __user *buf, return -EINVAL; } spin_unlock_irq(&file->lock); - ret = sprintf(tbuf, "%u\n", val); + ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } @@ -518,9 +518,10 @@ static int hisi_zip_core_debug_init(struct hisi_qm *qm) for (i = 0; i < HZIP_CORE_NUM; i++) { if (i < HZIP_COMP_CORE_NUM) - sprintf(buf, "comp_core%d", i); + scnprintf(buf, sizeof(buf), "comp_core%d", i); else - sprintf(buf, "decomp_core%d", i - HZIP_COMP_CORE_NUM); + scnprintf(buf, sizeof(buf), "decomp_core%d", + i - HZIP_COMP_CORE_NUM); regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL); if (!regset) |