diff options
Diffstat (limited to 'net/core/netpoll.c')
| -rw-r--r-- | net/core/netpoll.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 2d7d6d47378..18d9cbda3a3 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -792,6 +792,13 @@ int netpoll_setup(struct netpoll *np) return -ENODEV; } + if (ndev->master) { + printk(KERN_ERR "%s: %s is a slave device, aborting.\n", + np->name, np->dev_name); + err = -EBUSY; + goto put; + } + if (!netif_running(ndev)) { unsigned long atmost, atleast; |