phy: use flush_work_keventd()

(akpm: bypassed maintainers, sorry.  There are other patches which depend on
this)

Cc: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/net/phy/phy.c

@@ -662,10 +662,10 @@ int phy_stop_interrupts(struct phy_device *phydev)
 		phy_error(phydev);
 
 	/*
-	 * Finish any pending work; we might have been scheduled
-	 * to be called from keventd ourselves, though.
+	 * Finish any pending work; we might have been scheduled to be called
+	 * from keventd ourselves, but flush_work_keventd() handles that.
 	 */
-	run_scheduled_work(&phydev->phy_queue);
+	flush_work_keventd(&phydev->phy_queue);
 
 	free_irq(phydev->irq, phydev);