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Only tear down interface and transport if they've been successfully setup.

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Approved by:	jimharris
Sponsored by:	Intel
This commit is contained in:
carl 2013-09-05 23:12:58 +00:00
parent 5b65301bba
commit 679ed329d3
1 changed files with 11 additions and 6 deletions
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17
sys/dev/ntb/if_ntb/if_ntb.c
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@ -334,14 +334,19 @@ ntb_setup_interface()
static int
ntb_teardown_interface()
{
struct ifnet *ifp = net_softc.ifp;
ntb_transport_link_down(net_softc.qp);
if (net_softc.qp != NULL)
ntb_transport_link_down(net_softc.qp);
ether_ifdetach(ifp);
if_free(ifp);
ntb_transport_free_queue(net_softc.qp);
ntb_transport_free(&net_softc);
if (net_softc.ifp != NULL) {
ether_ifdetach(net_softc.ifp);
if_free(net_softc.ifp);
}
if (net_softc.qp != NULL) {
ntb_transport_free_queue(net_softc.qp);
ntb_transport_free(&net_softc);
}
return (0);
}