tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 44a2f39e611ac0bc1f17c288a583d7f2e5684aa7 commit: 90bf5c8d0f7ecddf96fc1cd9434af4e157b51970 [408/8237] ath11k: purge rx pktlog when entering WoW config: i386-randconfig-m021-20220502 (https://download.01.org/0day-ci/archive/20220503/202205032236.kofEquX3-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot Reported-by: Dan Carpenter smatch warnings: drivers/net/wireless/ath/ath11k/wow.c:712 ath11k_wow_op_resume() warn: inconsistent returns '&ar->conf_mutex'. vim +712 drivers/net/wireless/ath/ath11k/wow.c ba9177fcef21fa Carl Huang 2022-03-14 653 int ath11k_wow_op_resume(struct ieee80211_hw *hw) ba9177fcef21fa Carl Huang 2022-03-14 654 { ba9177fcef21fa Carl Huang 2022-03-14 655 struct ath11k *ar = hw->priv; ba9177fcef21fa Carl Huang 2022-03-14 656 int ret; ba9177fcef21fa Carl Huang 2022-03-14 657 ba9177fcef21fa Carl Huang 2022-03-14 658 mutex_lock(&ar->conf_mutex); ba9177fcef21fa Carl Huang 2022-03-14 659 ba9177fcef21fa Carl Huang 2022-03-14 660 ret = ath11k_hif_resume(ar->ab); ba9177fcef21fa Carl Huang 2022-03-14 661 if (ret) { ba9177fcef21fa Carl Huang 2022-03-14 662 ath11k_warn(ar->ab, "failed to resume hif: %d\n", ret); ba9177fcef21fa Carl Huang 2022-03-14 663 goto exit; ba9177fcef21fa Carl Huang 2022-03-14 664 } ba9177fcef21fa Carl Huang 2022-03-14 665 ba9177fcef21fa Carl Huang 2022-03-14 666 ath11k_hif_ce_irq_enable(ar->ab); ba9177fcef21fa Carl Huang 2022-03-14 667 ath11k_hif_irq_enable(ar->ab); ba9177fcef21fa Carl Huang 2022-03-14 668 90bf5c8d0f7ecd Carl Huang 2022-03-14 669 ret = ath11k_dp_rx_pktlog_start(ar->ab); 90bf5c8d0f7ecd Carl Huang 2022-03-14 670 if (ret) { 90bf5c8d0f7ecd Carl Huang 2022-03-14 671 ath11k_warn(ar->ab, "failed to start rx pktlog from wow: %d\n", ret); 90bf5c8d0f7ecd Carl Huang 2022-03-14 672 return ret; goto exit; 90bf5c8d0f7ecd Carl Huang 2022-03-14 673 } 90bf5c8d0f7ecd Carl Huang 2022-03-14 674 ba9177fcef21fa Carl Huang 2022-03-14 675 ret = ath11k_wow_wakeup(ar->ab); fec4b898f369a9 Carl Huang 2022-03-14 676 if (ret) { ba9177fcef21fa Carl Huang 2022-03-14 677 ath11k_warn(ar->ab, "failed to wakeup from wow: %d\n", ret); fec4b898f369a9 Carl Huang 2022-03-14 678 goto exit; fec4b898f369a9 Carl Huang 2022-03-14 679 } fec4b898f369a9 Carl Huang 2022-03-14 680 fec4b898f369a9 Carl Huang 2022-03-14 681 ret = ath11k_wow_nlo_cleanup(ar); fec4b898f369a9 Carl Huang 2022-03-14 682 if (ret) { fec4b898f369a9 Carl Huang 2022-03-14 683 ath11k_warn(ar->ab, "failed to cleanup nlo: %d\n", ret); fec4b898f369a9 Carl Huang 2022-03-14 684 goto exit; fec4b898f369a9 Carl Huang 2022-03-14 685 } ba9177fcef21fa Carl Huang 2022-03-14 686 c417b247ba0421 Carl Huang 2022-03-14 687 ret = ath11k_wow_clear_hw_filter(ar); c417b247ba0421 Carl Huang 2022-03-14 688 if (ret) { c417b247ba0421 Carl Huang 2022-03-14 689 ath11k_warn(ar->ab, "failed to clear hw filter: %d\n", ret); c417b247ba0421 Carl Huang 2022-03-14 690 goto exit; c417b247ba0421 Carl Huang 2022-03-14 691 } c417b247ba0421 Carl Huang 2022-03-14 692 ba9177fcef21fa Carl Huang 2022-03-14 693 exit: ba9177fcef21fa Carl Huang 2022-03-14 694 if (ret) { ba9177fcef21fa Carl Huang 2022-03-14 695 switch (ar->state) { ba9177fcef21fa Carl Huang 2022-03-14 696 case ATH11K_STATE_ON: ba9177fcef21fa Carl Huang 2022-03-14 697 ar->state = ATH11K_STATE_RESTARTING; ba9177fcef21fa Carl Huang 2022-03-14 698 ret = 1; ba9177fcef21fa Carl Huang 2022-03-14 699 break; ba9177fcef21fa Carl Huang 2022-03-14 700 case ATH11K_STATE_OFF: ba9177fcef21fa Carl Huang 2022-03-14 701 case ATH11K_STATE_RESTARTING: ba9177fcef21fa Carl Huang 2022-03-14 702 case ATH11K_STATE_RESTARTED: ba9177fcef21fa Carl Huang 2022-03-14 703 case ATH11K_STATE_WEDGED: ba9177fcef21fa Carl Huang 2022-03-14 704 ath11k_warn(ar->ab, "encountered unexpected device state %d on resume, cannot recover\n", ba9177fcef21fa Carl Huang 2022-03-14 705 ar->state); ba9177fcef21fa Carl Huang 2022-03-14 706 ret = -EIO; ba9177fcef21fa Carl Huang 2022-03-14 707 break; ba9177fcef21fa Carl Huang 2022-03-14 708 } ba9177fcef21fa Carl Huang 2022-03-14 709 } ba9177fcef21fa Carl Huang 2022-03-14 710 ba9177fcef21fa Carl Huang 2022-03-14 711 mutex_unlock(&ar->conf_mutex); ba9177fcef21fa Carl Huang 2022-03-14 @712 return ret; ba9177fcef21fa Carl Huang 2022-03-14 713 } -- 0-DAY CI Kernel Test Service https://01.org/lkp