[ATM]: use try_module_get appropriately (from Stephen Hemminger <shemminger@osdl.org>)

net/atm/br2684.c

@@ -563,7 +563,7 @@ Note: we do not have explicit unassign, but look at _push()
 		BRPRIV(skb->dev)->stats.rx_packets--;
 		br2684_push(atmvcc, skb);
 	}
-	(void) try_module_get(THIS_MODULE);
+	__module_get(THIS_MODULE);
 	return 0;
     error:
 	write_unlock_irq(&devs_lock);

net/atm/pppoatm.c

@@ -307,7 +307,7 @@ static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg)
 	atmvcc->user_back = pvcc;
 	atmvcc->push = pppoatm_push;
 	atmvcc->pop = pppoatm_pop;
-	(void) try_module_get(THIS_MODULE);
+	__module_get(THIS_MODULE);
 	return 0;
 }