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Shanyu Zhao 5eef7398c3 mac80211: fix rts threshold check 
commit a2c40249a3 upstream.

Currently whenever rts thresold is set, every packet will use RTS
protection no matter its size exceeds the threshold or not. This is
due to a bug in the rts threshold check.
	if (len > tx->local->hw.wiphy->rts_threshold) {
		txrc.rts = rts = true;
	}
Basically it is comparing an int (len) and a u32 (rts_threshold),
and the variable len is assigned as:
	len = min_t(int, tx->skb->len + FCS_LEN,
			 tx->local->hw.wiphy->frag_threshold);
However, when frag_threshold is "-1", len is always "-1", which is
0xffffffff therefore rts is always set to true.

Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-07-05 11:10:39 -07:00
..
aes_ccm.c mac80211: aes_ccm.c remove crypto wrapper and extra args 2008-07-08 14:16:02 -04:00
aes_ccm.h mac80211: pass scratch buffer directly, remove additional pointers 2008-07-08 14:16:02 -04:00
aes_cmac.c mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
aes_cmac.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00
agg-rx.c mac80211: fix two remote exploits 2009-11-30 13:52:21 -05:00
agg-tx.c mac80211: remove bogus TX agg state assignment 2010-05-12 14:57:00 -07:00
cfg.c mac80211: check that ieee80211_set_power_mgmt only handles STA interfaces. 2010-01-28 15:02:37 -08:00
cfg.h [MAC80211]: rename ieee80211_cfg.h to cfg.h 2007-10-10 16:52:34 -07:00
debugfs.c mac80211: remove master netdev 2009-07-24 15:05:30 -04:00
debugfs.h
debugfs_key.c mac80211: 802.11w - Use BIP (AES-128-CMAC) 2009-01-29 16:00:03 -05:00
debugfs_key.h mac80211: 802.11w - Use BIP (AES-128-CMAC) 2009-01-29 16:00:03 -05:00
debugfs_netdev.c mac80211: New stat counters for multicast and unicast forwarded frames 2009-08-20 11:36:04 -04:00
debugfs_netdev.h mac80211: revamp virtual interface handling 2008-07-14 14:30:07 -04:00
debugfs_sta.c mac80211: improve per-sta debugfs 2009-07-10 14:57:54 -04:00
debugfs_sta.h mac80211: RCU-ify STA info structure access 2008-03-06 15:30:46 -05:00
driver-ops.h mac80211: remove tasklet enable/disable 2009-08-28 14:40:34 -04:00
driver-trace.c mac80211: fix sparse warnings/errors 2009-08-04 16:43:25 -04:00
driver-trace.h mac80211: fix NULL pointer dereference when ftrace is enabled 2010-02-09 04:51:00 -08:00
event.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
ht.c mac80211: fix spurious delBA handling 2009-11-30 13:55:51 -05:00
ibss.c mac80211: Fix probe request filtering in IBSS mode 2010-02-23 07:37:58 -08:00
ieee80211_i.h mac80211: Retry null data frame for power save 2010-04-01 15:58:52 -07:00
iface.c mac80211: fix skb buffering issue (and fixes to that) 2010-01-18 10:19:49 -08:00
Kconfig mac80211: give warning if building w/out rate ctrl algorithm 2010-07-05 11:10:38 -07:00
key.c mac80211: fix todo lock 2009-07-10 15:01:48 -04:00
key.h nl80211: Add RSC configuration for new keys 2009-05-13 15:44:39 -04:00
led.c mac80211: rename files 2008-04-08 16:44:45 -04:00
led.h mac80211: rename files 2008-04-08 16:44:45 -04:00
main.c mac80211: Retry null data frame for power save 2010-04-01 15:58:52 -07:00
Makefile cfg80211: self-contained wext handling where possible 2009-07-29 15:46:20 -04:00
mesh.c mac80211: Update mesh config IE to 11s draft 3.02 2009-08-28 14:40:24 -04:00
mesh.h mac80211: Revert 'Use correct sign for mesh active path refresh' 2009-12-18 14:04:23 -08:00
mesh_hwmp.c mac80211: Revert 'Use correct sign for mesh active path refresh' 2009-12-18 14:04:23 -08:00
mesh_pathtbl.c mac80211: Move mpath and mpp growth to mesh workqueue. 2009-08-14 09:14:01 -04:00
mesh_plink.c mac80211: Fix invalid length passed to IE parser for PLINK CONFIRM frames 2009-08-14 09:14:06 -04:00
michael.c mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
michael.h mac80211: remove ieee80211_get_hdr_info 2008-07-08 14:16:01 -04:00
mlme.c mac80211: Retry null data frame for power save 2010-04-01 15:58:52 -07:00
pm.c mac80211: fix configure_filter invocation after stop 2009-08-28 14:40:25 -04:00
rate.c mac80211: remove master netdev 2009-07-24 15:05:30 -04:00
rate.h mac80211: rate control status only for controlled packets 2009-03-27 20:13:15 -04:00
rc80211_minstrel.c rc80211_minstrel: fix contention window calculation 2009-09-23 11:35:42 -04:00
rc80211_minstrel.h mac80211: Remove unnused throughput field from minstrel_rate. 2009-08-28 14:40:34 -04:00
rc80211_minstrel_debugfs.c net: file_operations should be const 2009-09-02 01:03:53 -07:00
rc80211_pid.h mac80211/drivers: rewrite the rate control API 2008-10-31 19:00:23 -04:00
rc80211_pid_algo.c rc80211_pid_algo.c: remove unused variable declaration 2009-08-20 11:36:03 -04:00
rc80211_pid_debugfs.c headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
rx.c mac80211: Fix robust management frame handling (MFP) 2010-07-05 11:10:38 -07:00
scan.c mac80211: fix deferred hardware scan requests 2010-04-26 07:41:36 -07:00
spectmgmt.c mac80211: move channel switch code 2009-05-20 14:46:25 -04:00
sta_info.c mac80211: fix vlan and optimise RX 2009-10-07 16:33:49 -04:00
sta_info.h mac80211: fix PS-poll response, race 2009-07-27 15:24:19 -04:00
tkip.c mac80211: add driver ops wrappers 2009-05-06 15:14:37 -04:00
tkip.h mac80211: tkip.c consolidate tkip IV writing in helper 2008-06-14 12:18:13 -04:00
tx.c mac80211: fix rts threshold check 2010-07-05 11:10:39 -07:00
util.c mac80211: tear down all agg queues when restart/reconfig hw 2010-04-26 07:41:18 -07:00
wep.c cfg80211: rework key operation 2009-07-24 15:05:09 -04:00
wep.h cfg80211: rework key operation 2009-07-24 15:05:09 -04:00
wme.c mac80211: fix skb buffering issue (and fixes to that) 2010-01-18 10:19:49 -08:00
wme.h mac80211: fix skb buffering issue (and fixes to that) 2010-01-18 10:19:49 -08:00
wpa.c cfg80211: use proper allocation flags 2009-07-10 15:01:49 -04:00
wpa.h mac80211: 802.11w - Add BIP (AES-128-CMAC) 2009-01-29 16:00:02 -05:00