tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   3cea11cd5e3b00d91caf0b4730194039b45c5891
commit: 7b2531d93bac6bea67e9c7f49901e9e8796d6d57 ath10k: Add new api to support 
TID specific configuration
config: x86_64-randconfig-m031-20201102 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>

smatch warnings:
drivers/net/wireless/ath/ath10k/mac.c:9125 ath10k_mac_op_set_tid_config() 
error: uninitialized symbol 'ret'.

vim +/ret +9125 drivers/net/wireless/ath/ath10k/mac.c

7b2531d93bac6be Tamizh Chelvam  2020-08-19  9089  static int 
ath10k_mac_op_set_tid_config(struct ieee80211_hw *hw,
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9090                                
        struct ieee80211_vif *vif,
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9091                                
        struct ieee80211_sta *sta,
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9092                                
        struct cfg80211_tid_config *tid_config)
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9093  {
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9094        struct ath10k *ar = 
hw->priv;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9095        struct ath10k_vif 
*arvif = (void *)vif->drv_priv;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9096        struct 
ath10k_mac_iter_tid_conf_data data = {};
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9097        struct 
wmi_per_peer_per_tid_cfg_arg arg = {};
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9098        int ret, i;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9099  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9100        
mutex_lock(&ar->conf_mutex);
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9101        arg.vdev_id = 
arvif->vdev_id;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9102  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9103        
memset(arvif->tid_conf_changed, 0, sizeof(arvif->tid_conf_changed));
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9104  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9105        for (i = 0; i < 
tid_config->n_tid_conf; i++) {
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9106                ret = 
ath10k_mac_parse_tid_config(ar, sta, vif,
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9107                                
                  &tid_config->tid_conf[i],
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9108                                
                  &arg);
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9109                if (ret)
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9110                        goto 
exit;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9111        }
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9112  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9113        if (sta)
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9114                goto exit;
                                                                ^^^^^^^^^^

7b2531d93bac6be Tamizh Chelvam  2020-08-19  9115  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9116        ret = 0;
                                                        ^^^^^^^^
Probably just move this to the "int ret = 0;" start of the function?

7b2531d93bac6be Tamizh Chelvam  2020-08-19  9117        data.curr_vif = vif;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9118        data.ar = ar;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9119  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9120        
ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf,
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9121                                
          &data);
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9122  
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9123  exit:
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9124        
mutex_unlock(&ar->conf_mutex);
7b2531d93bac6be Tamizh Chelvam  2020-08-19 @9125        return ret;
7b2531d93bac6be Tamizh Chelvam  2020-08-19  9126  }

---
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