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authorFelix Fietkau <nbd@openwrt.org>2010-01-11 06:47:00 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-11 19:37:09 -0500
commit193e70ef65a6c33f2935ce1f4adeb08ecb9202cf (patch)
treef079d1fe437bb9cd1f69ace985114e074c65a023 /net/wireless
parent39825f4dc9f4e409e8ea43ef4df04a924699ad1f (diff)
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mac80211: fix queue selection for data frames on monitor interfaces
When ieee80211_monitor_select_queue encounters data frames, it selects the WMM AC based on skb->priority and assumes that skb->priority contains a valid 802.1d tag. However this assumption is incorrect, since ieee80211_select_queue has not been called at this point. If skb->priority > 7, an array overrun occurs, which could lead to invalid values, resulting in crashes in the tx path. Fix this by setting skb->priority based on the 802.11 header for QoS frames and using the default AC for all non-QoS frames. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
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