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authorFelix Fietkau <nbd@openwrt.org>2011-03-11 21:45:51 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-03-14 14:46:58 -0400
commit9db372fdd5de9e0464c77a9d3db2a3b356db8668 (patch)
tree25b417873775cf02d9f1d05cf70d70d5b3897986 /net
parentefff395e97fffd55c60c77c09a18deba8d84e2c0 (diff)
downloadop-kernel-dev-9db372fdd5de9e0464c77a9d3db2a3b356db8668.zip
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mac80211: fix channel type recalculation with HT and non-HT interfaces
When running an AP interface along with the cooked monitor interface created by hostapd, adding an interface and deleting it again triggers a channel type recalculation during which the (non-HT) monitor interface takes precedence over the HT AP interface, thus causing the channel type to be set to non-HT. Fix this by ensuring that a more wide channel type will not be overwritten by a less wide channel type. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/chan.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 5b24740..889c3e9 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -77,6 +77,9 @@ bool ieee80211_set_channel_type(struct ieee80211_local *local,
switch (tmp->vif.bss_conf.channel_type) {
case NL80211_CHAN_NO_HT:
case NL80211_CHAN_HT20:
+ if (superchan > tmp->vif.bss_conf.channel_type)
+ break;
+
superchan = tmp->vif.bss_conf.channel_type;
break;
case NL80211_CHAN_HT40PLUS:
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