diff options
Diffstat (limited to 'drivers/net/wan/dlci.c')
| -rw-r--r-- | drivers/net/wan/dlci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c index 1f6e0538c716..6a8a382c5f4c 100644 --- a/drivers/net/wan/dlci.c +++ b/drivers/net/wan/dlci.c @@ -384,6 +384,7 @@ static int dlci_del(struct dlci_add *dlci) struct frad_local *flp; struct net_device *master, *slave; int err; + bool found = false; rtnl_lock(); @@ -394,6 +395,17 @@ static int dlci_del(struct dlci_add *dlci) goto out; } + list_for_each_entry(dlp, &dlci_devs, list) { + if (dlp->master == master) { + found = true; + break; + } + } + if (!found) { + err = -ENODEV; + goto out; + } + if (netif_running(master)) { err = -EBUSY; goto out; |