ocelot: Cancel delayed work before wq destruction

Make sure the delayed work for stats update is not pending before
wq destruction.
This fixes the module unload path.
The issue is there since day 1.

Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index b71e4ecbe469a5ec19699ed740ab0a9e63abdd45..6932e615d4b089c68b4d847649bd3adb0f70d543 100644 (file)
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1818,6 +1818,7 @@ EXPORT_SYMBOL(ocelot_init);
 
 void ocelot_deinit(struct ocelot *ocelot)
 {
+       cancel_delayed_work(&ocelot->stats_work);
        destroy_workqueue(ocelot->stats_queue);
        mutex_destroy(&ocelot->stats_lock);
        ocelot_ace_deinit();