linux-kernel - [PATCH 5.2 008/144] staging: wilc1000: flush the workqueue before deinit the host

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Date:   Wed, 14 Aug 2019 18:59:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Adham Abozaeid <adham.abozaeid@...rochip.com>
Subject: [PATCH 5.2 008/144] staging: wilc1000: flush the workqueue before deinit the host

From: Adham Abozaeid <adham.abozaeid@...rochip.com>

commit fb2b055b7e6e44efda737c7c92f46c0868bb04e5 upstream.

Before deinitializing the host interface, the workqueue should be flushed
to handle any pending deferred work

Signed-off-by: Adham Abozaeid <adham.abozaeid@...rochip.com>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20190722213837.21952-1-adham.abozaeid@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/wilc1000/wilc_wfi_cfgoperations.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -1789,6 +1789,7 @@ void wilc_deinit_host_int(struct net_dev
 
 	priv->p2p_listen_state = false;
 
+	flush_workqueue(vif->wilc->hif_workqueue);
 	mutex_destroy(&priv->scan_req_lock);
 	ret = wilc_deinit(vif);