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linux/net/mac80211
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Gustavo A. R. Silva 40b5a0f8c6 mac80211: remove unnecessary NULL check 
Both old and new cannot be NULL at the same time, hence checking
new when old is not NULL is unnecessary.

Also, notice that new is being dereferenced before it is checked:

	idx = new->conf.keyidx;

The above triggers a static code analysis warning.

Address this by removing the NULL check on new and adding a code
comment based on the following piece of code:

387        /* caller must provide at least one old/new */
388        if (WARN_ON(!new && !old))
389                return 0;

Addresses-Coverity-ID: 1473176 ("Dereference before null check")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-09-05 10:15:48 +02:00
..
aead_api.c mac80211: use crypto_aead_authsize() 2017-10-11 15:46:45 +02:00
aead_api.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +02:00
aes_ccm.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +02:00
aes_cmac.c mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
aes_cmac.h mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
aes_gcm.h mac80211: aead api to reduce redundancy 2017-10-11 09:37:35 +02:00
aes_gmac.c mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
aes_gmac.h mac80211: move struct aead_req off the stack 2016-10-17 16:14:04 +02:00
agg-rx.c mac80211: add support for HE 2018-06-18 22:40:32 +02:00
agg-tx.c mac80211: add support for HE 2018-06-18 22:40:32 +02:00
cfg.c mac80211: in AP mode, set bss_conf::he_supported 2018-09-05 10:03:13 +02:00
chan.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
debug.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_key.c
debugfs_key.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_netdev.c networking: convert many more places to skb_put_zero() 2017-06-16 11:48:35 -04:00
debugfs_netdev.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs_sta.c wireless: align to draft 11ax D3.0 2018-09-05 10:09:50 +02:00
debugfs_sta.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
debugfs.c mac80211: add an option for station management TXQ 2018-09-05 10:10:11 +02:00
debugfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
driver-ops.c
driver-ops.h mac80211: add an option for drivers to check if packets can be aggregated 2018-09-05 10:11:50 +02:00
ethtool.c mac80211: use BIT_ULL for NL80211_STA_INFO_* attribute types 2018-06-29 09:53:09 +02:00
fils_aead.c Some more updates: 2017-02-10 14:31:51 -05:00
fils_aead.h mac80211: FILS AEAD protection for station mode association frames 2016-10-27 16:03:25 +02:00
he.c mac80211: add support for HE 2018-06-18 22:40:32 +02:00
ht.c ieee80211: bump IEEE80211_MAX_AMPDU_BUF to support HE 2018-06-18 22:39:39 +02:00
ibss.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
ieee80211_i.h mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
iface.c net: allow ndo_select_queue to pass netdev 2018-07-09 13:41:34 -07:00
Kconfig mac80211: fils_aead: Use crypto api CMAC shash rather than bare cipher 2017-02-08 09:19:17 +01:00
key.c mac80211: remove unnecessary NULL check 2018-09-05 10:15:48 +02:00
key.h mac80211: aes-cmac: switch to shash CMAC driver 2017-02-08 09:19:33 +01:00
led.c leds: triggers: let struct led_trigger::activate() return an error code 2018-07-05 23:21:10 +02:00
led.h
main.c mac80211: Store sk_pacing_shift in ieee80211_hw 2018-09-05 10:03:15 +02:00
Makefile mac80211: add support for HE 2018-06-18 22:40:32 +02:00
mesh_hwmp.c mac80211: mesh: fix HWMP sequence numbering to follow standard 2018-08-29 11:15:30 +02:00
mesh_pathtbl.c rhashtable: Change rhashtable_walk_start to return void 2017-12-11 09:58:38 -05:00
mesh_plink.c mac80211: mesh: fix premature update of rc stats 2018-05-18 10:02:28 +02:00
mesh_ps.c networking: make skb_put & friends return void pointers 2017-06-16 11:48:39 -04:00
mesh_sync.c mac80211: Use appropriate name for functions and messages 2016-12-13 16:22:27 +01:00
mesh.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
mesh.h mac80211: Convert timers to use timer_setup() 2017-11-20 16:55:11 +01:00
michael.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
michael.h
mlme.c mac80211: fix saving a few HE values 2018-09-05 10:08:42 +02:00
ocb.c mac80211: Convert timers to use timer_setup() 2017-11-20 16:55:11 +01:00
offchannel.c mac80211: support scan features for improved scan privacy 2018-06-15 13:34:40 +02:00
pm.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rate.c mac80211: Dynamically set CoDel parameters per station 2017-05-17 16:03:40 +02:00
rate.h mac80211: make rate control tx status API more extensible 2017-04-28 10:57:33 +02:00
rc80211_minstrel_debugfs.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
rc80211_minstrel_ht_debugfs.c net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
rc80211_minstrel_ht.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
rc80211_minstrel_ht.h mac80211: minstrel_ht: move supported bitrate mask out of group data 2016-12-15 11:07:52 +01:00
rc80211_minstrel.c net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
rc80211_minstrel.h mac80211: minstrel: make prob_ewma u16 instead of u32 2016-12-15 11:07:53 +01:00
rx.c mac80211: support reporting 0-length PSDU in radiotap 2018-09-05 10:08:25 +02:00
scan.c This round's updates: 2018-06-30 21:08:12 +09:00
spectmgmt.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
sta_info.c mac80211: add an optional TXQ for other PS-buffered frames 2018-09-05 10:03:13 +02:00
sta_info.h mac80211: add support for HE 2018-06-18 22:40:32 +02:00
status.c mac80211: average ack rssi support for data frames 2018-05-07 21:41:16 +02:00
tdls.c mac80211: enable TDLS peer buffer STA feature 2017-12-11 12:16:05 +01:00
tkip.c
tkip.h
trace_msg.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 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace.h mac80211: add support for HE 2018-06-18 22:40:32 +02:00
tx.c mac80211: add an option for drivers to check if packets can be aggregated 2018-09-05 10:11:50 +02:00
util.c mac80211: add ability to parse CCFS2 2018-09-05 10:03:14 +02:00
vht.c mac80211: copy VHT EXT NSS BW Support/Capable data to station 2018-09-05 10:03:14 +02:00
wep.c mac80211: Add RX flag to indicate ICV stripped 2017-01-12 10:15:18 +01:00
wep.h
wme.c mac80211: mark expected switch fall-throughs 2017-12-11 12:16:04 +01:00
wme.h
wpa.c mac80211: add get TID helper 2018-02-22 21:13:03 +01:00
wpa.h