tree: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending head: 76c4c513df5aa9cd9e019b463d8f3d38d1cd572e commit: 6421969f248fdf9d8cd38353a617ed7cc5ddab94 [41/67] ath10k: refactor tx pending management config: x86_64-randconfig-s5-03070223 (attached as .config) reproduce: git checkout 6421969f248fdf9d8cd38353a617ed7cc5ddab94 # save the attached .config to linux build tree make ARCH=x86_64
Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/net/wireless/ath/ath10k/mac.c: In function 'ath10k_mac_op_tx': >> drivers/net/wireless/ath/ath10k/mac.c:3804:4: warning: 'is_mgmt' may be used >> uninitialized in this function [-Wmaybe-uninitialized] ath10k_htt_tx_dec_pending(htt, is_mgmt); ^ vim +/is_mgmt +3804 drivers/net/wireless/ath/ath10k/mac.c 3788 if (ret) { 3789 ath10k_warn(ar, "failed to increase tx pending count: %d, dropping\n", 3790 ret); 3791 spin_unlock_bh(&ar->htt.tx_lock); 3792 ieee80211_free_txskb(ar->hw, skb); 3793 return; 3794 } 3795 3796 spin_unlock_bh(&ar->htt.tx_lock); 3797 } 3798 3799 ret = ath10k_mac_tx(ar, vif, sta, txmode, txpath, skb); 3800 if (ret) { 3801 ath10k_warn(ar, "failed to transmit frame: %d\n", ret); 3802 if (is_htt) { 3803 spin_lock_bh(&ar->htt.tx_lock); > 3804 ath10k_htt_tx_dec_pending(htt, is_mgmt); 3805 spin_unlock_bh(&ar->htt.tx_lock); 3806 } 3807 return; 3808 } 3809 } 3810 3811 /* Must not be called with conf_mutex held as workers can use that also. */ 3812 void ath10k_drain_tx(struct ath10k *ar) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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