drivers/pcmcia: omap1: Fix error in automated timer conversion

One part of automated timer conversion tools did not take into account
void * variables when searching out prior direct timer callback usage,
which resulted in an attempt to dereference the timer field without a
proper type.
Reported-by: Nkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: NKees Cook <keescook@chromium.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/pcmcia/omap_cf.c

@@ -102,7 +102,9 @@ static void omap_cf_timer(struct timer_list *t)
  */
 static irqreturn_t omap_cf_irq(int irq, void *_cf)
 {
-	omap_cf_timer(&_cf->timer);
+	struct omap_cf_socket *cf = (struct omap_cf_socket *)_cf;
+
+	omap_cf_timer(&cf->timer);
 	return IRQ_HANDLED;
 }