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| author | Felix Fietkau <nbd@openwrt.org> | 2008-07-31 22:41:31 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2008-07-31 22:41:31 +0000 |
| commit | 60f834421c7adc512609da74e42a07d9568e5859 (patch) | |
| tree | 033d942f8569ce05c0468c42bc79a39590912847 /package/madwifi/patches | |
| parent | d298a4a411dd928acdc5a2471ea64d64c3c69aad (diff) | |
| download | mtk-20170518-60f834421c7adc512609da74e42a07d9568e5859.zip mtk-20170518-60f834421c7adc512609da74e42a07d9568e5859.tar.gz mtk-20170518-60f834421c7adc512609da74e42a07d9568e5859.tar.bz2 | |
madwifi: fix race condition triggered by active split wds sta interfaces during vap delete
SVN-Revision: 12052
Diffstat (limited to 'package/madwifi/patches')
| -rw-r--r-- | package/madwifi/patches/371-wds_sta_separation.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/madwifi/patches/371-wds_sta_separation.patch b/package/madwifi/patches/371-wds_sta_separation.patch index 9126fec..e01b150 100644 --- a/package/madwifi/patches/371-wds_sta_separation.patch +++ b/package/madwifi/patches/371-wds_sta_separation.patch @@ -150,6 +150,37 @@ #ifdef ATH_REVERSE_ENGINEERING /* +@@ -5890,6 +5905,8 @@ + ieee80211_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) + { + struct ieee80211vap *vap = dev->priv; ++ struct ieee80211com *ic = vap->iv_ic; ++ struct ieee80211_node *ni; + + switch (cmd) { + case SIOCG80211STATS: +@@ -5898,8 +5915,20 @@ + case SIOC80211IFDESTROY: + if (!capable(CAP_NET_ADMIN)) + return -EPERM; ++ /* drop all node subifs */ ++ TAILQ_FOREACH(ni, &ic->ic_sta.nt_node, ni_list) { ++ struct ieee80211vap *avp = ni->ni_subif; ++ ++ if (ni->ni_vap != vap) ++ continue; ++ if (!avp) ++ continue; ++ ni->ni_subif = NULL; ++ ieee80211_stop(avp->iv_dev); ++ ic->ic_vap_delete(avp); ++ } + ieee80211_stop(vap->iv_dev); /* force state before cleanup */ +- vap->iv_ic->ic_vap_delete(vap); ++ ic->ic_vap_delete(vap); + return 0; + case IEEE80211_IOCTL_GETKEY: + return ieee80211_ioctl_getkey(dev, (struct iwreq *) ifr); --- a/net80211/ieee80211_node.c +++ b/net80211/ieee80211_node.c @@ -47,6 +47,7 @@ |