From 706183dbef4a79d120d4e928f693bea50df496f8 Mon Sep 17 00:00:00 2001 From: Chin-Yen Lee Date: Mon, 13 Apr 2026 14:59:26 +0800 Subject: [PATCH] wifi: rtw88: fix wrong pci_get_drvdata type in AER handlers rtw88 stores an ieee80211_hw pointer via pci_set_drvdata() at probe time, but io_error_detected() and io_resume() retrieve it as a net_device pointer. This causes netif_device_detach/attach to operate on an ieee80211_hw struct, reading and writing at wrong offsets. Use ieee80211_stop_queues/wake_queues instead, consistent with every other queue stop/start path in the driver. Fixes: cdb82c80b934 ("wifi: rtw88: pci: add PCI Express error handling") Signed-off-by: Chin-Yen Lee Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20260413065926.17027-1-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw88/pci.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index bba370ad510cf..c56beacbb1b03 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -1711,9 +1711,9 @@ static void rtw_pci_napi_deinit(struct rtw_dev *rtwdev) static pci_ers_result_t rtw_pci_io_err_detected(struct pci_dev *pdev, pci_channel_state_t state) { - struct net_device *netdev = pci_get_drvdata(pdev); + struct ieee80211_hw *hw = pci_get_drvdata(pdev); - netif_device_detach(netdev); + ieee80211_stop_queues(hw); return PCI_ERS_RESULT_NEED_RESET; } @@ -1730,12 +1730,12 @@ static pci_ers_result_t rtw_pci_io_slot_reset(struct pci_dev *pdev) static void rtw_pci_io_resume(struct pci_dev *pdev) { - struct net_device *netdev = pci_get_drvdata(pdev); + struct ieee80211_hw *hw = pci_get_drvdata(pdev); /* ack any pending wake events, disable PME */ pci_enable_wake(pdev, PCI_D0, 0); - netif_device_attach(netdev); + ieee80211_wake_queues(hw); } const struct pci_error_handlers rtw_pci_err_handler = { -- 2.47.3