diff options
| -rw-r--r-- | drivers/isdn/i4l/isdn_net.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 7c5f97033b9f..de6be7181f07 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -292,7 +292,9 @@ isdn_net_unbind_channel(isdn_net_local * lp) lp->dialstate = 0; dev->rx_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL; dev->st_netdev[isdn_dc2minor(lp->isdn_device, lp->isdn_channel)] = NULL; - isdn_free_channel(lp->isdn_device, lp->isdn_channel, ISDN_USAGE_NET); + if (lp->isdn_device != -1 && lp->isdn_channel != -1) + isdn_free_channel(lp->isdn_device, lp->isdn_channel, + ISDN_USAGE_NET); lp->flags &= ~ISDN_NET_CONNECTED; lp->isdn_device = -1; lp->isdn_channel = -1; |