Hi Tamizh,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mac80211-next/master]
[also build test WARNING on next-20190412]
[cannot apply to v5.1-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

url:    
https://github.com/0day-ci/linux/commits/Tamizh-chelvam/cfg80211-Add-support-to-configure-station-specific-RSSI-threshold-for-AP-mode/20190412-225220
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git 
master
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'


sparse warnings: (new ones prefixed by >>)

>> net/mac80211/cfg.c:3947:17: sparse: incompatible types in comparison 
>> expression (different address spaces)
--
>> net/mac80211/rx.c:1735:13: sparse: context imbalance in 
>> 'ieee80211_sta_rx_signal_thold_check' - wrong count at exit

vim +3947 net/mac80211/cfg.c

  3940  
  3941  void sta_mon_rssi_config_free(struct sta_info *sta)
  3942  {
  3943          struct sta_mon_rssi_config *old_rssi_config;
  3944  
  3945          if (sta->rssi_config) {
  3946                  old_rssi_config = sta->rssi_config;
> 3947                  RCU_INIT_POINTER(sta->rssi_config, NULL);
  3948                  kfree_rcu(old_rssi_config, rcu_head);
  3949          }
  3950  }
  3951  

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