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bge_attach() can fail before attaching mii(4). So make sure to check

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bge_miibus before detaching mii(4).
This commit is contained in:
Pyun YongHyeon 2013-01-24 04:54:53 +00:00
parent 70fabd840d
commit 0aba72dd91
1 changed files with 2 additions and 2 deletions
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4
sys/dev/bge/if_bge.c
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@ -3899,9 +3899,9 @@ bge_detach(device_t dev)
if (sc->bge_tq)
taskqueue_drain(sc->bge_tq, &sc->bge_intr_task);
if (sc->bge_flags & BGE_FLAG_TBI) {
if (sc->bge_flags & BGE_FLAG_TBI)
ifmedia_removeall(&sc->bge_ifmedia);
} else {
else if (sc->bge_miibus != NULL) {
bus_generic_detach(dev);
device_delete_child(dev, sc->bge_miibus);
}