[PATCH 6.6 053/393] wifi: rtlwifi: usb: fix workqueue leak when probe fails

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6.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>

[ Upstream commit f79bc5c67867c19ce2762e7934c20dbb835ed82c ]

rtl_init_core creates a workqueue that is then assigned to rtl_wq.
rtl_deinit_core does not destroy it. It is left to rtl_usb_deinit, which
must be called in the probe error path.

Fixes: 2ca20f79e0d8 ("rtlwifi: Add usb driver")
Fixes: 851639fdaeac ("rtlwifi: Modify some USB de-initialize code.")
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Link: https://patch.msgid.link/20241107133322.855112-6-cascardo@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtlwifi/usb.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
index 0a934adcef012..cf70793b1e905 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -1065,6 +1065,7 @@ int rtl_usb_probe(struct usb_interface *intf,
 	wait_for_completion(&rtlpriv->firmware_loading_complete);
 	rtlpriv->cfg->ops->deinit_sw_vars(hw);
 error_out:
+	rtl_usb_deinit(hw);
 	rtl_deinit_core(hw);
 error_out2:
 	_rtl_usb_io_handler_release(hw);
-- 
2.39.5







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