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| author |   Eric Dumazet <edumazet@google.com> | 2021-12-04 20:22:01 -0800 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2021-12-06 16:05:10 -0800 |
| commit | 14ed029b5eb5146794a46d89e114715c9d380ca1 (patch) | |
| tree | c2ff052f307e5735a5d5edaae2cdbe7f6ce9ae53 | |
| parent | net: add net device refcount tracker to ethtool_phys_id() (diff) | |
| download | linux-dev-14ed029b5eb5146794a46d89e114715c9d380ca1.tar.xz linux-dev-14ed029b5eb5146794a46d89e114715c9d380ca1.zip | |
net: add net device refcount tracker to dev_ifsioc()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | net/core/dev_ioctl.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index cbab5fec64b1..1d309a666932 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -313,6 +313,7 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, void __user *data, int err; struct net_device *dev = __dev_get_by_name(net, ifr->ifr_name); const struct net_device_ops *ops; + netdevice_tracker dev_tracker; if (!dev) return -ENODEV; @@ -381,10 +382,10 @@ static int dev_ifsioc(struct net *net, struct ifreq *ifr, void __user *data, return -ENODEV; if (!netif_is_bridge_master(dev)) return -EOPNOTSUPP; - dev_hold(dev); + dev_hold_track(dev, &dev_tracker, GFP_KERNEL); rtnl_unlock(); err = br_ioctl_call(net, netdev_priv(dev), cmd, ifr, NULL); - dev_put(dev); + dev_put_track(dev, &dev_tracker); rtnl_lock(); return err; |