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| author |   Chen Zhou <chenzhou10@huawei.com> | 2020-01-20 20:49:43 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-01-21 10:48:17 +0100 |
| commit | 49e211c0e357d8c5ccdc3c6c5fb8f94ab85d037f (patch) | |
| tree | 607cf2d8871be593e4f8122170d708945ac3e72e | |
| parent | Merge tag 'rds-odp-for-5.5' of https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma (diff) | |
| download | linux-dev-49e211c0e357d8c5ccdc3c6c5fb8f94ab85d037f.tar.xz linux-dev-49e211c0e357d8c5ccdc3c6c5fb8f94ab85d037f.zip | |
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.c | 4 |
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); |