diff options
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_main.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 6f2a688fccbf..4e31bb0b6466 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -238,7 +238,7 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) ipoib_warn(priv, "mtu > %d will cause multicast packet drops.\n", priv->mcast_mtu); - dev->mtu = new_mtu; + WRITE_ONCE(dev->mtu, new_mtu); return 0; } @@ -265,7 +265,7 @@ static int ipoib_change_mtu(struct net_device *dev, int new_mtu) if (carrier_status) netif_carrier_on(dev); } else { - dev->mtu = new_mtu; + WRITE_ONCE(dev->mtu, new_mtu); } return ret; @@ -329,8 +329,7 @@ static struct net_device *ipoib_get_master_net_dev(struct net_device *dev) rcu_read_lock(); master = netdev_master_upper_dev_get_rcu(dev); - if (master) - dev_hold(master); + dev_hold(master); rcu_read_unlock(); if (master) |