[PATCH v2 net-next 07/23] net: add net device refcount tracker to dev_ifsioc()
flat view
STALE1770d
From: Eric Dumazet <hidden>
Date: 2021-12-03 02:47:38
Subsystem:
networking [general], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- v1 [diff vs current]
- v2 current
- v3 [diff vs current]
From: Eric Dumazet <redacted> Signed-off-by: Eric Dumazet <redacted> --- net/core/dev_ioctl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index cbab5fec64b12df9355b154bdcaa0f48701966e8..1d309a6669325ad26c59892c4e78ca14dec017d9 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;
--
2.34.1.400.ga245620fadb-goog