diff options
Diffstat (limited to 'drivers/net/ethernet/wangxun/libwx/wx_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/wangxun/libwx/wx_ethtool.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c index c12a4cb951f6..254a48ede266 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c @@ -334,8 +334,11 @@ int wx_set_coalesce(struct net_device *netdev, return -EOPNOTSUPP; } - if (ec->tx_max_coalesced_frames_irq) - wx->tx_work_limit = ec->tx_max_coalesced_frames_irq; + if (ec->tx_max_coalesced_frames_irq > U16_MAX || + !ec->tx_max_coalesced_frames_irq) + return -EINVAL; + + wx->tx_work_limit = ec->tx_max_coalesced_frames_irq; switch (wx->mac.type) { case wx_mac_sp: |