Commit 49e211c0 authored Jan 20, 2020 by Chen Zhou Committed by David S. Miller Jan 21, 2020

net: hns3: replace snprintf with scnprintf in hns3_dbg_cmd_read



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>

parent ad063075

drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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);

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