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Johannes Berg 51e13359cd cfg80211: fix connect/disconnect edge cases 
If we try to connect while already connected/connecting, but
this fails, we set ssid_len=0 but leave current_bss hanging,
leading to errors.

Check all of this better, first of all ensuring that we can't
try to connect to a different SSID while connected/ing; ensure
that prev_bssid is set for re-association attempts even in the
case of the driver supporting the connect() method, and don't
reset ssid_len in the failure cases.

While at it, also reset ssid_len while disconnecting unless we
were connected and expect a disconnected event, and warn on a
successful connection without ssid_len being set.

Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
 		2017-10-18 09:39:44 +02:00
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.gitignore
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Kconfig cfg80211: Fix some linguistics in Kconfig 2016-02-24 09:04:23 +01:00
Makefile For 4.11, we seem to have more than in the past few releases: 2017-01-14 12:02:15 -05:00
ap.c cfg80211: Make pre-CAC results valid only for ETSI domain 2017-03-06 13:54:15 +01:00
chan.c cfg80211: Share Channel DFS state across wiphys of same DFS domain 2017-03-06 13:54:20 +01:00
core.c cfg80211: support 4-way handshake offloading for 802.1X 2017-06-13 10:44:09 +02:00
core.h cfg80211: add request id to cfg80211_sched_scan_*() api 2017-04-28 14:51:43 +02:00
db.txt
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debugfs.c cfg80211 debugfs: Cleanup some checkpatch issues 2017-02-08 09:15:59 +01:00
debugfs.h
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ethtool.c cfg80211: make ethtool the driver's responsibility 2014-06-23 11:05:33 +02:00
genregdb.awk wireless: fixup genregdb.awk for remove of antenna gain from wireless-regd 2014-07-21 12:24:20 +02:00
ibss.c cfg80211: Make pre-CAC results valid only for ETSI domain 2017-03-06 13:54:15 +01:00
lib80211.c lib80211: remove unused print_ssid() 2014-10-14 02:18:27 +02:00
lib80211_crypt_ccmp.c lib80211: ratelimit key index mismatch 2015-12-04 14:43:32 +01:00
lib80211_crypt_tkip.c wireless: fix bogus maybe-uninitialized warning 2016-11-17 08:46:38 +02:00
lib80211_crypt_wep.c lib80211: Use skcipher and ahash 2016-01-27 20:36:03 +08:00
mesh.c wireless: Only join DFS channels in mesh mode if userspace flags support 2017-05-19 13:25:58 +02:00
mlme.c cfg80211: Use a structure to pass connect response params 2017-03-31 08:31:26 +02:00
nl80211.c nl80211: Define policy for packet pattern attributes 2017-10-04 14:39:21 +02:00
nl80211.h cfg80211: unify cfg80211_roamed() and cfg80211_roamed_bss() 2017-04-28 12:28:44 +02:00
ocb.c cfg80211: ocb: Fix null pointer deref if join_ocb is unimplemented 2015-12-04 14:43:32 +01:00
of.c cfg80211: support ieee80211-freq-limit DT property 2017-01-06 14:01:13 +01:00
radiotap.c cfg80211: add radiotap VHT info to rtap_namespace_sizes 2016-02-24 09:04:41 +01:00
rdev-ops.h cfg80211: support 4-way handshake offloading for 802.1X 2017-06-13 10:44:09 +02:00
reg.c cfg80211: honor NL80211_RRF_NO_HT40{MINUS,PLUS} 2017-09-06 12:56:31 +02:00
reg.h cfg80211: Share Channel DFS state across wiphys of same DFS domain 2017-03-06 13:54:20 +01:00
regdb.h cfg80211: relicense reg.c reg.h and genregdb.awk to ISC 2012-01-04 14:30:41 -05:00
scan.c cfg80211: make cfg80211_sched_scan_results() work from atomic context 2017-05-23 14:36:46 +02:00
sme.c cfg80211: fix connect/disconnect edge cases 2017-10-18 09:39:44 +02:00
sysfs.c cfg80211: check rdev resume callback only for registered wiphy 2017-03-29 09:11:29 +02:00
sysfs.h net: misc: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
trace.c cfg80211: add tracing to rdev-ops 2012-10-18 10:53:37 +02:00
trace.h cfg80211: support 4-way handshake offloading for 802.1X 2017-06-13 10:44:09 +02:00
util.c networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
wext-compat.c cfg80211: move add/change interface monitor flags into params 2017-04-13 13:41:38 +02:00
wext-compat.h cfg80211-wext: export symbols only when needed 2015-02-28 21:31:09 +01:00
wext-core.c dev_ioctl: copy only the smaller struct iwreq for wext 2017-06-14 13:52:44 +02:00
wext-priv.c
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wext-proc.c net: proc: change proc_net_remove to remove_proc_entry 2013-02-18 14:53:08 -05:00
wext-sme.c cfg80211: wext does not need to set monitor channel in managed mode 2017-01-11 14:10:44 +01:00
wext-spy.c wireless: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00