Host might receive spectral events during interface down sequence and this might create below errors. failed to handle dma buf release event -22 failed to handle dma buf release event -22 Fix this by disabling spectral config during remove interface. Tested-on: IPQ5018 hw1.0 AHB WLAN.HK.2.6.0.1-00861-QCAHKSWPL_SILICONZ-1 Signed-off-by: Tamizh Chelvam Raja <quic_tamizhr@xxxxxxxxxxx> --- drivers/net/wireless/ath/ath11k/mac.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index cad832e0e6b8..3ce6075af5dd 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -6652,6 +6652,11 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw, ath11k_dbg(ab, ATH11K_DBG_MAC, "mac remove interface (vdev %d)\n", arvif->vdev_id); + ret = ath11k_spectral_vif_stop(arvif); + if (ret) + ath11k_warn(ab, "failed to stop spectral for vdev %i: %d\n", + arvif->vdev_id, ret); + if (arvif->vdev_type == WMI_VDEV_TYPE_STA) ath11k_mac_11d_scan_stop(ar); base-commit: bea046575a2e6d7d1cf63cc7ab032647a3585de5 -- 2.17.1