diff options
| author | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2020-07-27 14:02:13 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-29 03:48:20 +0300 |
| commit | 2f45f7a13e99ef2d05ef3afecaee30f314c9b8b2 (patch) | |
| tree | b08d8fcf8053b0237b761acc3908a6cf96942093 /drivers | |
| parent | 1057d685c6eb4ef5dbc03f97ff25da8ca2418a86 (diff) | |
| download | linux-2f45f7a13e99ef2d05ef3afecaee30f314c9b8b2.tar.xz | |
net: stmmac: Move device_can_wakeup() check earlier in set_wol
If !device_can_wakeup(), there's no need to futher check. And return
-EOPNOTSUPP rather than -EINVAL if !device_can_wakeup().
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index 9e0af626a24a..79795bebd3a2 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -615,15 +615,15 @@ static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct stmmac_priv *priv = netdev_priv(dev); u32 support = WAKE_MAGIC | WAKE_UCAST; + if (!device_can_wakeup(priv->device)) + return -EOPNOTSUPP; + /* By default almost all GMAC devices support the WoL via * magic frame but we can disable it if the HW capability * register shows no support for pmt_magic_frame. */ if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame)) wol->wolopts &= ~WAKE_MAGIC; - if (!device_can_wakeup(priv->device)) - return -EINVAL; - if (wol->wolopts & ~support) return -EINVAL; |