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

[Greg Kroah-Hartman]

From: Adham Abozaeid <adham.abozaeid@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20190722213837.21952-1-adham.abozaeid@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 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);