Author: monthadar
Date: Tue Dec 18 08:44:59 2012
New Revision: 244389
URL: http://svnweb.freebsd.org/changeset/base/244389
Log:
wtap should check if ieee80211_vap_setup fails.
* If ieee80211_vap_setup fails, we free allocated M_80211_VAP
memory and return NULL;
Approved by: adrian (mentor)
Modified:
head/sys/dev/wtap/if_wtap.c
Modified: head/sys/dev/wtap/if_wtap.c
==============================================================================
--- head/sys/dev/wtap/if_wtap.c Tue Dec 18 08:41:23 2012 (r244388)
+++ head/sys/dev/wtap/if_wtap.c Tue Dec 18 08:44:59 2012 (r244389)
@@ -334,6 +334,10 @@ wtap_vap_create(struct ieee80211com *ic,
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;
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