Messages in this thread Patch in this message | | | From | Chen Zhou <> | Subject | [PATCH -next] net: hns3: replace snprintf with scnprintf in hns3_dbg_cmd_read | Date | Sun, 19 Jan 2020 20:41:47 +0800 |
| |
The return value of snprintf may be greater than the size of HNS3_DBG_READ_LEN, use scnprintf instead in hns3_dbg_cmd_read.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 6b328a2..8fad699 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -297,7 +297,7 @@ static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, if (!buf) return -ENOMEM; - len = snprintf(buf, HNS3_DBG_READ_LEN, "%s\n", + len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", "Please echo help to cmd to get help information"); uncopy_bytes = copy_to_user(buffer, buf, len); -- 2.7.4
| |