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git://projects.qi-hardware.com/openwrt-xburst.git
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43 lines
1.3 KiB
Diff
43 lines
1.3 KiB
Diff
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Index: trunk/net80211/ieee80211_beacon.c
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===================================================================
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--- trunk/net80211/ieee80211_beacon.c (revision 2631)
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+++ trunk/net80211/ieee80211_beacon.c (working copy)
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@@ -305,13 +305,17 @@
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*/
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c = ieee80211_doth_findchan(vap, ic->ic_chanchange_chan);
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if (c == NULL) {
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+ /*
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+ * The channel we have been requested to change to
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+ * is not valid. Drop the channel switch annoucement
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+ * from the beacon and don't change channel.
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+ */
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IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOTH,
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- "%s: find channel failure\n", __func__);
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- IEEE80211_UNLOCK_IRQ_EARLY(ic);
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- return 0;
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+ "%s: find channel failure\n",
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+ __func__);
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+ } else {
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+ ic->ic_bsschan = c;
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}
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- ic->ic_bsschan = c;
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-
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skb_pull(skb, sizeof(struct ieee80211_frame));
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skb_trim(skb, 0);
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frm = skb->data;
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@@ -321,8 +325,10 @@
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vap->iv_flags &= ~IEEE80211_F_CHANSWITCH;
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ic->ic_flags &= ~IEEE80211_F_CHANSWITCH;
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- /* NB: only for the first VAP to get here */
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- if (ic->ic_curchan != c) {
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+ /* NB: only for the first VAP to get here, and we have a valid
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+ * new channel to change to.
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+ */
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+ if (c && ic->ic_curchan != c) {
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ic->ic_curchan = c;
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ic->ic_set_channel(ic);
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}
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