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wifi: rtw88: check the return value of alloc_workqueue()

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The function alloc_workqueue() in rtw_core_init() can fail, but
there is no check of its return value. To fix this bug, its return value
should be checked with new error handling code.

Fixes: fe101716c7c9d ("rtw88: replace tx tasklet with work queue")
Reported-by: Hacash Robot <hacashRobot@santino.com>
Signed-off-by: William Dean <williamsukatube@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220723063756.2956189-1-williamsukatube@163.com
This commit is contained in:
William Dean 2022-07-23 14:37:56 +08:00 committed by Kalle Valo
parent 334facd651
commit 42bbf810e1
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/realtek/rtw88/main.c
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@ -1992,6 +1992,10 @@ int rtw_core_init(struct rtw_dev *rtwdev)
timer_setup(&rtwdev->tx_report.purge_timer,
rtw_tx_report_purge_timer, 0);
rtwdev->tx_wq = alloc_workqueue("rtw_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0);
if (!rtwdev->tx_wq) {
rtw_warn(rtwdev, "alloc_workqueue rtw_tx_wq failed\n");
return -ENOMEM;
}
INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work);
INIT_DELAYED_WORK(&coex->bt_relink_work, rtw_coex_bt_relink_work);