leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

net: hns3: replace snprintf with scnprintf in hns3_dbg_cmd_read

Browse Source 
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chen Zhou 2020-01-20 20:49:43 +08:00 committed by David S. Miller
parent ad063075d4
commit 49e211c0e3
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
View File

@ -297,8 +297,8 @@ 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",
"Please echo help to cmd to get help information");
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);
kfree(buf);