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wtap should check if ieee80211_vap_setup fails.

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* If ieee80211_vap_setup fails, we free allocated M_80211_VAP
  memory and return NULL;

Approved by: adrian (mentor)
This commit is contained in:
monthadar 2012-12-18 08:44:59 +00:00
parent dd18a60731
commit 64407055dd
1 changed files with 4 additions and 0 deletions
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4
sys/dev/wtap/if_wtap.c
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@ -334,6 +334,10 @@ wtap_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ],
vap = (struct ieee80211vap *) avp;
error = ieee80211_vap_setup(ic, vap, name, unit, IEEE80211_M_MBSS,
flags | IEEE80211_CLONE_NOBEACONS, bssid, mac);
if (error) {
free((struct wtap_vap*) vap, M_80211_VAP);
return NULL;
}
/* override various methods */
avp->av_recv_mgmt = vap->iv_recv_mgmt;