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Johannes Berg 65439f28c2 nl80211: clear skb cb before passing to netlink 
commit bd8c78e78d upstream.

In testmode and vendor command reply/event SKBs we use the
skb cb data to store nl80211 parameters between allocation
and sending. This causes the code for CONFIG_NETLINK_MMAP
to get confused, because it takes ownership of the skb cb
data when the SKB is handed off to netlink, and it doesn't
explicitly clear it.

Clear the skb cb explicitly when we're done and before it
gets passed to netlink to avoid this issue.

Reported-by: Assaf Azulay <assaf.azulay@intel.com>
Reported-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2014-10-05 14:52:22 -07:00
..
.gitignore
…
Kconfig lib80211: hide Kconfig symbol 2012-11-16 14:29:09 -05:00
Makefile cfg80211: add tracing to rdev-ops 2012-10-18 10:53:37 +02:00
ap.c cfg80211: Add support for QoS mapping 2013-12-19 16:29:22 +01:00
chan.c cfg80211: allow beaconing after DFS CAC 2013-11-25 20:50:49 +01:00
core.c cfg80211: remove racy beacon_interval assignment 2014-03-03 14:18:20 +01:00
core.h cfg80211: send scan results from work queue 2014-02-06 09:55:19 +01:00
db.txt
…
debugfs.c mac80211: fix some snprintf misuses 2013-10-01 12:16:51 +02:00
debugfs.h
…
ethtool.c ethtool: fix drvinfo strings set in drivers 2013-01-06 21:06:31 -08:00
ethtool.h
…
genregdb.awk cfg80211: fix parsing when db.txt ends on a rule 2013-11-25 20:50:58 +01:00
ibss.c cfg80211: Add support for QoS mapping 2013-12-19 16:29:22 +01:00
lib80211.c lib80211: remove exports for functions not called by other modules 2011-08-09 15:42:36 -04:00
lib80211_crypt_ccmp.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
lib80211_crypt_tkip.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
lib80211_crypt_wep.c hostap: Don't use create_proc_read_entry() 2013-04-29 15:41:56 -04:00
mesh.c cfg80211: Add support for QoS mapping 2013-12-19 16:29:22 +01:00
mlme.c cfg80211: aggregate mgmt_tx parameters into a struct 2013-12-02 11:51:52 +01:00
nl80211.c nl80211: clear skb cb before passing to netlink 2014-10-05 14:52:22 -07:00
nl80211.h cfg80211: send scan results from work queue 2014-02-06 09:55:19 +01:00
radiotap.c radiotap: fix bitmap-end-finding buffer overrun 2013-12-16 12:06:43 +01:00
rdev-ops.h cfg80211: Add support for QoS mapping 2013-12-19 16:29:22 +01:00
reg.c cfg80211: fix few minor issues in reg_process_hint() 2014-06-07 10:28:10 -07:00
reg.h cfg80211: add reg_get_dfs_region() 2013-12-03 13:53:40 +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: add cfg80211_sched_scan_stopped_rtnl 2014-06-07 10:28:10 -07:00
sme.c cfg80211: free sme on connection failures 2014-06-07 10:28:10 -07:00
sysfs.c net: wireless: convert class code to use dev_groups 2013-07-25 16:34:40 -07:00
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: fix mic_failure tracing 2014-08-07 14:52:36 -07:00
util.c cfg80211: Add a function to get the number of supported channels 2014-01-09 14:24:24 +01:00
wext-compat.c cfg80211: add sanity check for retry limit in wext-compat 2014-01-09 17:05:28 +01:00
wext-compat.h cfg80211: remove unused wext handler exports 2011-08-08 14:26:29 -04:00
wext-core.c wext: include wireless event id when it has a size problem 2012-09-05 16:12:44 +02:00
wext-priv.c wext: fix potential private ioctl memory content leak 2010-09-20 13:41:40 -04:00
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: separate internal SME implementation 2013-06-04 13:03:11 +02:00
wext-spy.c wireless: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00