diff options
| author | Weili Qian <qianweili@huawei.com> | 2020-10-31 17:07:05 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-11-06 14:31:16 +1100 |
| commit | 09493afbc62781bd9fba6224af89fd78fe33b8ba (patch) | |
| tree | 3fd1e74b99f4d075cfe50f946a34cff187eb91d1 | |
| parent | cd1aff982af43d47557a44d1758d9d5c06247d59 (diff) | |
crypto: hisilicon/qm - replace 'sprintf' with 'scnprintf'
Replace 'sprintf' with 'scnprintf' to avoid overrun.
Signed-off-by: Weili Qian <qianweili@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 17f84dbc8bbe..25c54146cca1 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -932,7 +932,8 @@ static ssize_t qm_debug_read(struct file *filp, char __user *buf, return -EINVAL; } mutex_unlock(&file->lock); - ret = sprintf(tbuf, "%u\n", val); + + ret = scnprintf(tbuf, QM_DBG_TMP_BUF_LEN, "%u\n", val); return simple_read_from_buffer(buf, count, pos, tbuf, ret); } |