[PATCH AUTOSEL 4.19 131/158] ath10k: destroy sdio workqueue while remove sdio module
From: Sasha Levin <sashal@kernel.org>
Date: 2019-07-15 14:26:34
Also in:
linux-wireless, lkml, stable
Subsystem:
atheros ath generic utilities, qualcomm atheros ath10k wireless driver, the rest · Maintainers:
Jeff Johnson, Linus Torvalds
From: Wen Gong <redacted> [ Upstream commit 3ed39f8e747a7aafeec07bb244f2c3a1bdca5730 ] The workqueue need to flush and destory while remove sdio module, otherwise it will have thread which is not destory after remove sdio modules. Tested with QCA6174 SDIO with firmware WLAN.RMH.4.4.1-00007-QCARMSWP-1. Signed-off-by: Wen Gong <redacted> Signed-off-by: Kalle Valo <redacted> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/wireless/ath/ath10k/sdio.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index cb527a21f1ac..686759b5613f 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c@@ -2073,6 +2073,9 @@ static void ath10k_sdio_remove(struct sdio_func *func) cancel_work_sync(&ar_sdio->wr_async_work); ath10k_core_unregister(ar); ath10k_core_destroy(ar); + + flush_workqueue(ar_sdio->workqueue); + destroy_workqueue(ar_sdio->workqueue); } static const struct sdio_device_id ath10k_sdio_devices[] = {
--
2.20.1