diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/ipconfig.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 47db1bfdaaa0..bc2f6ca97152 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -309,7 +309,7 @@ have_carrier: */ static void __init ic_close_devs(void) { - struct net_device *selected_dev = ic_dev->dev; + struct net_device *selected_dev = ic_dev ? ic_dev->dev : NULL; struct ic_device *d, *next; struct net_device *dev; @@ -317,16 +317,18 @@ static void __init ic_close_devs(void) next = ic_first_dev; while ((d = next)) { bool bring_down = (d != ic_dev); - struct net_device *lower_dev; + struct net_device *lower; struct list_head *iter; next = d->next; dev = d->dev; - netdev_for_each_lower_dev(selected_dev, lower_dev, iter) { - if (dev == lower_dev) { - bring_down = false; - break; + if (selected_dev) { + netdev_for_each_lower_dev(selected_dev, lower, iter) { + if (dev == lower) { + bring_down = false; + break; + } } } if (bring_down) { |