diff options
| author | Edward Cree <ecree@solarflare.com> | 2018-02-28 19:15:58 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-01 21:41:06 -0500 |
| commit | a6d50512b4d86ecd9f5952525e454583be1c3b14 (patch) | |
| tree | fb14a27b4bfd66d90ac7257474ba1e68e751b752 | |
| parent | e2c0dc1f1d8e31eabed412b6f154ad549986bc28 (diff) | |
net: ethtool: don't ignore return from driver get_fecparam method
If ethtool_ops->get_fecparam returns an error, pass that error on to the
user, rather than ignoring it.
Fixes: 1a5f3da20bd9 ("net: ethtool: add support for forward error correction modes")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/core/ethtool.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 494e6a5d7306..3f89c76d5c24 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -2520,11 +2520,14 @@ static int set_phy_tunable(struct net_device *dev, void __user *useraddr) static int ethtool_get_fecparam(struct net_device *dev, void __user *useraddr) { struct ethtool_fecparam fecparam = { ETHTOOL_GFECPARAM }; + int rc; if (!dev->ethtool_ops->get_fecparam) return -EOPNOTSUPP; - dev->ethtool_ops->get_fecparam(dev, &fecparam); + rc = dev->ethtool_ops->get_fecparam(dev, &fecparam); + if (rc) + return rc; if (copy_to_user(useraddr, &fecparam, sizeof(fecparam))) return -EFAULT; |