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Protect against NULL in ath_beacon_config()

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It's called with NULL vap in several places, and the old
ath_beacon_config() had such protection.  Without this check, the kernel
panics after association in managed mode.


git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3064 0192ed92-7a03-0410-a25b-9323aeb14dbd
This commit is contained in:
proski 2007-12-16 16:40:42 +00:00
parent 9fbdb5c7a2
commit 03538d0225
1 changed files with 1 additions and 1 deletions
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2
ath/if_ath.c
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@ -4787,7 +4787,7 @@ ath_beacon_config(struct ath_softc *sc, struct ieee80211vap *vap)
struct sk_buff *skb; struct sk_buff *skb;
avp = ATH_VAP(vap); avp = ATH_VAP(vap);
if (avp->av_bcbuf == NULL) { if (avp == NULL || avp->av_bcbuf == NULL) {
DPRINTF(sc, ATH_DEBUG_ANY, "%s: avp=%p av_bcbuf=%p\n", DPRINTF(sc, ATH_DEBUG_ANY, "%s: avp=%p av_bcbuf=%p\n",
__func__, avp, avp != NULL ? avp->av_bcbuf : NULL); __func__, avp, avp != NULL ? avp->av_bcbuf : NULL);
return; return;