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freebsd11_wlan: Sync previous ifdetach patch with FreeBSD.

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It was upstreamed, albeit in a slightly different location and with
a different comment than I originally had.
This commit is contained in:
Augustin Cavalier 2018-07-16 19:43:55 -04:00
parent 0988f80fed
commit 8959d55643
1 changed files with 9 additions and 6 deletions
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15
src/libs/compat/freebsd11_wlan/net80211/ieee80211.c
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@ -362,16 +362,19 @@ ieee80211_ifdetach(struct ieee80211com *ic)
{
struct ieee80211vap *vap;
/*
* We use this as an indicator that ifattach never had a chance to be
* called, e.g. early driver attach failed and ifdetach was called
* during subsequent detach. Never fear, for we have nothing to do
* here.
*/
if (ic->ic_tq == NULL)
return;
mtx_lock(&ic_list_mtx);
LIST_REMOVE(ic, ic_next);
mtx_unlock(&ic_list_mtx);
#ifdef __HAIKU__
/* Have we even initialized this com? */
if (!ic->ic_tq)
return;
#endif
taskqueue_drain(taskqueue_thread, &ic->ic_restart_task);
/*