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Hu Wang 3560b32ca3 Fix race condition with PNO stop followed immediately by PNO start 
Commit dd271857a5 ('Skip normal scan when
PNO is already in progress') fixed issues with normal scans getting
rejected by the driver when PNO scan is already running. The part about
skipping such a scan request is fine, but the part about clearing
wpa_s->pno back to 0 in EVENT_SCHED_SCAN_STOPPED handler is problematic.

If PNO is stopped ("SET pno 0") and then restarted ("SET pno 1")
immediately, it is possible for the EVENT_SCHED_SCAN_STOPPED event from
the stopping part to be received only after the new PNO instance has
been started. This would have resulted in clearing wpa_s->pno and the
driver and wpa_supplicant getting out of sync. This would then prevent
PNO from being stopped with "SET pno 0" (that fails if wpa_s->pno == 0).

Fix this race condition by reverting the wpa_s->pno = 0 addition from
the EVENT_SCHED_SCAN_STOPPED handler.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
2016-04-06 11:14:34 +03:00
doc D-Bus: Add association response status code property for failure cases 2016-03-06 20:44:51 +02:00
eap_example eap_example: Fix configuration by added DH parameters 2015-04-17 11:26:36 +03:00
hostapd Drop USE_KERNEL_HEADERS define 2016-03-26 11:29:53 +02:00
hs20 hs20-osu-client: Fix pol_upd command line parsing 2016-03-16 21:25:11 +02:00
mac80211_hwsim/tools Remove obsolete mac80211_hwsim tests 2015-10-01 12:46:10 +03:00
radius_example RADIUS: Redesign Request Authenticator generation 2016-02-06 17:19:35 +02:00
src Add QCA nl80211 vendor commands for TSF and WISA Feature 2016-04-05 19:31:09 +03:00
tests tests: Pass full apdev to add_ap() function (7) 2016-04-03 22:46:14 +03:00
wlantest wlantest: Use local ETH_P_IP define instead of linux/if_ether.h 2016-03-26 11:35:30 +02:00
wpa_supplicant Fix race condition with PNO stop followed immediately by PNO start 2016-04-06 11:14:34 +03:00
wpadebug wpadebug: Add option to ignore SSL errors 2013-06-07 20:21:00 +03:00
wpaspy wpaspy: Add support for TERMINATE command 2016-03-05 17:44:51 +02:00
.gitignore Add test programs for checking libwpa_client linking 2015-10-31 21:56:59 +02:00
Android.mk Treat VER_2_1_DEVEL the same as VER_0_8_X 2013-12-14 21:23:39 -08:00
build_release Drop OpenSSL 0.9.8 patches to add EAP-FAST support 2016-01-13 00:17:27 +02:00
CONTRIBUTIONS Update copyright notices for the new year 2016 2016-01-01 13:42:04 +02:00
COPYING Update copyright notices for the new year 2016 2016-01-01 13:42:04 +02:00
README Update copyright notices for the new year 2016 2016-01-01 13:42:04 +02:00

README 

wpa_supplicant and hostapd
--------------------------

Copyright (c) 2002-2016, Jouni Malinen <j@w1.fi> and contributors
All Rights Reserved.

These programs are licensed under the BSD license (the one with
advertisement clause removed).

If you are submitting changes to the project, please see CONTRIBUTIONS
file for more instructions.


This package may include either wpa_supplicant, hostapd, or both. See
README file respective subdirectories (wpa_supplicant/README or
hostapd/README) for more details.

Source code files were moved around in v0.6.x releases and compared to
earlier releases, the programs are now built by first going to a
subdirectory (wpa_supplicant or hostapd) and creating build
configuration (.config) and running 'make' there (for Linux/BSD/cygwin
builds).


License
-------

This software may be distributed, used, and modified under the terms of
BSD license:

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1. Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

3. Neither the name(s) of the above-listed copyright holder(s) nor the
   names of its contributors may be used to endorse or promote products
   derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.