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wifi: rtw89: Add missing check for alloc_workqueue

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[ Upstream commit ed9e6166eb ]

Add check for the return value of alloc_workqueue since it may return
NULL pointer.
Moreover, add destroy_workqueue when rtw89_load_firmware fails.

Fixes: e3ec7017f6 ("rtw89: add Realtek 802.11ax driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230104142901.1611-1-jiasheng@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang
2023-01-04 22:29:01 +08:00
committed by Greg Kroah-Hartman
parent 1e336d6bab
commit e09eadf197
1 changed files with 3 additions and 0 deletions
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3
drivers/net/wireless/realtek/rtw89/core.c
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@@ -3047,6 +3047,8 @@ int rtw89_core_init(struct rtw89_dev *rtwdev)
INIT_DELAYED_WORK(&rtwdev->cfo_track_work, rtw89_phy_cfo_track_work);
INIT_DELAYED_WORK(&rtwdev->forbid_ba_work, rtw89_forbid_ba_work);
rtwdev->txq_wq = alloc_workqueue("rtw89_tx_wq", WQ_UNBOUND | WQ_HIGHPRI, 0);
if (!rtwdev->txq_wq)
return -ENOMEM;
spin_lock_init(&rtwdev->ba_lock);
spin_lock_init(&rtwdev->rpwm_lock);
mutex_init(&rtwdev->mutex);
@@ -3070,6 +3072,7 @@ int rtw89_core_init(struct rtw89_dev *rtwdev)
ret = rtw89_load_firmware(rtwdev);
if (ret) {
rtw89_warn(rtwdev, "no firmware loaded\n");
destroy_workqueue(rtwdev->txq_wq);
return ret;
}
rtw89_ser_init(rtwdev);