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| author | Felix Fietkau <nbd@openwrt.org> | 2008-11-14 23:35:12 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2008-11-14 23:35:12 +0000 |
| commit | bd8dad29fa8ed36a2518bec8f95a8fe855517df7 (patch) | |
| tree | 28085f8964d73b52f1d1586f89f393ef3d36fcdf /package/madwifi/patches | |
| parent | 9baac9c54bbefc2195260c4d1108f9fa30ccd4bc (diff) | |
| download | mtk-20170518-bd8dad29fa8ed36a2518bec8f95a8fe855517df7.zip mtk-20170518-bd8dad29fa8ed36a2518bec8f95a8fe855517df7.tar.gz mtk-20170518-bd8dad29fa8ed36a2518bec8f95a8fe855517df7.tar.bz2 | |
madwifi: ap+sta race conditions
SVN-Revision: 13208
Diffstat (limited to 'package/madwifi/patches')
| -rw-r--r-- | package/madwifi/patches/388-apsta_fix.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/package/madwifi/patches/388-apsta_fix.patch b/package/madwifi/patches/388-apsta_fix.patch new file mode 100644 index 0000000..4952dd8 --- /dev/null +++ b/package/madwifi/patches/388-apsta_fix.patch @@ -0,0 +1,60 @@ +--- a/net80211/ieee80211_proto.c ++++ b/net80211/ieee80211_proto.c +@@ -1406,7 +1406,8 @@ __ieee80211_newstate(struct ieee80211vap + vap->iv_state = nstate; /* state transition */ + del_timer(&vap->iv_mgtsend); + if ((vap->iv_opmode != IEEE80211_M_HOSTAP) && +- (ostate != IEEE80211_S_SCAN)) ++ (ostate != IEEE80211_S_SCAN) && ++ !(vap->iv_flags_ext & IEEE80211_FEXT_SCAN_PENDING)) + ieee80211_cancel_scan(vap); /* background scan */ + ni = vap->iv_bss; /* NB: no reference held */ + switch (nstate) { +@@ -1448,7 +1449,8 @@ __ieee80211_newstate(struct ieee80211vap + } + goto reset; + case IEEE80211_S_SCAN: +- ieee80211_cancel_scan(vap); ++ if (!(vap->iv_flags_ext & IEEE80211_FEXT_SCAN_PENDING)) ++ ieee80211_cancel_scan(vap); + goto reset; + reset: + ieee80211_reset_bss(vap); +@@ -1985,7 +1987,9 @@ ieee80211_newstate(struct ieee80211vap * + } + } + } +- } else if (dstate == IEEE80211_S_SCAN) { ++ } else if ((dstate == IEEE80211_S_SCAN) || ++ (dstate == IEEE80211_S_AUTH) || ++ (dstate == IEEE80211_S_ASSOC)) { + /* Force to scan pending... someone is scanning */ + vap->iv_flags_ext |= IEEE80211_FEXT_SCAN_PENDING; + __ieee80211_newstate(vap, IEEE80211_S_INIT, arg); +--- a/net80211/ieee80211_output.c ++++ b/net80211/ieee80211_output.c +@@ -238,7 +238,9 @@ ieee80211_hardstart(struct sk_buff *skb, + } + + /* Cancel any running BG scan */ +- if (!(ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN_THR) && (vap->iv_state == IEEE80211_S_RUN)) ++ if (!(ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN_THR) && ++ (vap->iv_state == IEEE80211_S_RUN) && ++ (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN)) + ieee80211_cancel_scan(vap); + + /* +--- a/net80211/ieee80211_wireless.c ++++ b/net80211/ieee80211_wireless.c +@@ -2728,9 +2728,9 @@ ieee80211_ioctl_setparam(struct net_devi + return -EINVAL; + vap->iv_flags |= IEEE80211_F_BGSCAN; + } else { +- /* XXX racey? */ ++ if (ic->ic_flags_ext & IEEE80211_FEXT_BGSCAN) ++ ieee80211_cancel_scan(vap); /* anything current */ + vap->iv_flags &= ~IEEE80211_F_BGSCAN; +- ieee80211_cancel_scan(vap); /* anything current */ + } + break; + case IEEE80211_PARAM_BGSCAN_IDLE: |