Ksawlii/kernel_samsung_a53x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

wifi: rtl8xxxu: add cancel_work_sync() for c2hcmd_work

Browse source 
[ Upstream commit 1213acb478a7181cd73eeaf00db430f1e45b1361 ]

The workqueue might still be running, when the driver is stopped. To
avoid a use-after-free, call cancel_work_sync() in rtl8xxxu_stop().

Fixes: e542e66b7c2e ("rtl8xxxu: add bluetooth co-existence support for single antenna")
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240111163628.320697-2-martin.kaistra@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Martin Kaistra 2024-01-11 17:36:27 +01:00 • committed by Ksawlii
parent 66bbf05981
commit dc16c6630e
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
View file

@ -6483,6 +6483,7 @@ static void rtl8xxxu_stop(struct ieee80211_hw *hw)
if (priv->usb_interrupts)
rtl8xxxu_write32(priv, REG_USB_HIMR, 0);
cancel_work_sync(&priv->c2hcmd_work);
cancel_delayed_work_sync(&priv->ra_watchdog);
rtl8xxxu_free_rx_resources(priv);