diff options
| author | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2010-10-27 17:51:12 +0000 |
|---|---|---|
| committer | Jacob Meuser <jakemsr@cvs.openbsd.org> | 2010-10-27 17:51:12 +0000 |
| commit | 955c72c194bf7e82b4fff0dc198003d84bdd86b0 (patch) | |
| tree | d36225e6b24e519f918b1ecaf995552ebf79287a /sys/dev/usb/if_mos.c | |
| parent | 72c98d7491a3ceaf8fc8d6b18b3fa7c9664c0312 (diff) | |
don't free network related resources if they were not allocated
Diffstat (limited to 'sys/dev/usb/if_mos.c')
| -rw-r--r-- | sys/dev/usb/if_mos.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/dev/usb/if_mos.c b/sys/dev/usb/if_mos.c index dcb085ad0bf..ffd9d662f84 100644 --- a/sys/dev/usb/if_mos.c +++ b/sys/dev/usb/if_mos.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_mos.c,v 1.10 2010/10/23 16:14:07 jakemsr Exp $ */ +/* $OpenBSD: if_mos.c,v 1.11 2010/10/27 17:51:11 jakemsr Exp $ */ /* * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net> @@ -799,8 +799,10 @@ mos_detach(struct device *self, int flags) mii_detach(&sc->mos_mii, MII_PHY_ANY, MII_OFFSET_ANY); ifmedia_delete_instance(&sc->mos_mii.mii_media, IFM_INST_ANY); - ether_ifdetach(ifp); - if_detach(ifp); + if (ifp->if_softc != NULL) { + ether_ifdetach(ifp); + if_detach(ifp); + } #ifdef DIAGNOSTIC if (sc->mos_ep[MOS_ENDPT_TX] != NULL || |