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| author |   David S. Miller <davem@davemloft.net> | 2018-03-06 00:53:44 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-06 01:20:46 -0500 |
| commit | 0f3e9c97eb5a97972b0c0076a5cc01bb142f8e70 (patch) | |
| tree | 439c89ea3c87496c23e167148f2cdbefb6e82b30 /net/core/dev.c | |
| parent | Merge branch 'mvpp2-jumbo-frames-support' (diff) | |
| parent | Merge tag 'please-pull-ia64_misc' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux (diff) | |
| download | linux-dev-0f3e9c97eb5a97972b0c0076a5cc01bb142f8e70.tar.xz linux-dev-0f3e9c97eb5a97972b0c0076a5cc01bb142f8e70.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
All of the conflicts were cases of overlapping changes.
In net/core/devlink.c, we have to make care that the
resouce size_params have become a struct member rather
than a pointer to such an object.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 8b51f923ce99..e5b8d42b6410 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -6396,6 +6396,7 @@ static int __netdev_upper_dev_link(struct net_device *dev, .linking = true, .upper_info = upper_info, }; + struct net_device *master_dev; int ret = 0; ASSERT_RTNL(); @@ -6407,11 +6408,14 @@ static int __netdev_upper_dev_link(struct net_device *dev, if (netdev_has_upper_dev(upper_dev, dev)) return -EBUSY; - if (netdev_has_upper_dev(dev, upper_dev)) - return -EEXIST; - - if (master && netdev_master_upper_dev_get(dev)) - return -EBUSY; + if (!master) { + if (netdev_has_upper_dev(dev, upper_dev)) + return -EEXIST; + } else { + master_dev = netdev_master_upper_dev_get(dev); + if (master_dev) + return master_dev == upper_dev ? -EEXIST : -EBUSY; + } ret = call_netdevice_notifiers_info(NETDEV_PRECHANGEUPPER, &changeupper_info.info); |