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Haim Dreyfuss 5247a77ced cfg80211: fix NULL pointer derference when querying regdb 
Some drivers may call this function when regdb is not initialized yet,
so we need to make sure regdb is valid before trying to access it.

Make sure regdb is initialized before trying to access it in
reg_query_regdb_wmm() and query_regdb().

Reported-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
 		2018-05-22 10:17:52 +02:00
..
certs cfg80211: ship certificates as hex files 2017-12-19 09:28:01 +01:00
.gitignore cfg80211: implement regdb signature checking 2017-10-11 14:24:24 +02:00
Kconfig cfg80211: add missing dependency to CFG80211 suboptions 2018-02-27 10:54:12 +01:00
Makefile cfg80211: ship certificates as hex files 2017-12-19 09:28:01 +01:00
ap.c nl80211: Add SOCKET_OWNER support to START_AP 2018-03-29 10:47:28 +02:00
chan.c cfg80211: enable use of non-cleared DFS channels for DFS offload 2018-03-29 10:21:35 +02:00
core.c cfg80211: limit wiphy names to 128 bytes 2018-04-19 15:46:34 +02:00
core.h nl80211: Add SOCKET_OWNER support to JOIN_MESH 2018-03-29 10:38:24 +02:00
debugfs.c cfg80211 debugfs: Cleanup some checkpatch issues 2017-02-08 09:15:59 +01:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ethtool.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ibss.c nl80211: Add SOCKET_OWNER support to JOIN_IBSS 2018-03-29 10:36:22 +02:00
lib80211.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
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 nl80211: Add SOCKET_OWNER support to JOIN_MESH 2018-03-29 10:38:24 +02:00
mlme.c cfg80211: fix CAC_STARTED event handling 2018-03-29 10:21:16 +02:00
nl80211.c nl80211: fix nlmsg allocation in cfg80211_ft_event 2018-05-18 10:01:58 +02:00
nl80211.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-04 09:26:51 +09:00
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 nl80211: Implement TX of control port frames 2018-03-29 13:44:19 +02:00
reg.c cfg80211: fix NULL pointer derference when querying regdb 2018-05-22 10:17:52 +02:00
reg.h cfg80211: implement regdb signature checking 2017-10-11 14:24:24 +02:00
scan.c cfg80211: Scan results to also report the per chain signal strength 2017-12-19 10:37:31 +01:00
sme.c cfg80211: Support all iftypes in autodisconnect_wk 2018-03-29 10:22:19 +02:00
sysfs.c cfg80211: check rdev resume callback only for registered wiphy 2017-03-29 09:11:29 +02:00
sysfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.c
…
trace.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-03-31 23:33:04 -04:00
util.c mac80211: support A-MSDU in fast-rx 2018-02-27 13:30:53 +01:00
wext-compat.c cfg80211: fix station info handling bugs 2018-01-18 15:36:18 -05:00
wext-compat.h cfg80211-wext: export symbols only when needed 2015-02-28 21:31:09 +01:00
wext-core.c net: Don't take rtnl_lock() in wireless_nlevent_flush() 2018-03-29 13:47:53 -04:00
wext-priv.c
…
wext-proc.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
wext-sme.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
wext-spy.c
…