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authorChen Zhou <chenzhou10@huawei.com>2020-01-20 20:49:43 +0800
committerDavid S. Miller <davem@davemloft.net>2020-01-21 10:48:17 +0100
commit49e211c0e357d8c5ccdc3c6c5fb8f94ab85d037f (patch)
tree607cf2d8871be593e4f8122170d708945ac3e72e
parentad063075d406dd04d2d9bc1005161a5a08fb38c5 (diff)
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>
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
index 6b328a259efc..92ee1f5cf31f 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
@@ -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);