[PNP] release card devices on probe failure

When a driver's probe routine fails, it may not release all of the
card devices it requested.  This patch allows the pnp layer to ensure
that all devices claimed by the failing driver are released properly.

drivers/pnp/card.c

@@ -62,8 +62,14 @@ static int card_probe(struct pnp_card * card, struct pnp_card_driver * drv)
 		if (drv->probe) {
 			if (drv->probe(clink, id)>=0)
 				return 1;
-			else
+			else {
+				struct pnp_dev * dev;
+				card_for_each_dev(card, dev) {
+					if (dev->card_link == clink)
+						pnp_release_card_device(dev);
+				}
 				kfree(clink);
+			}
 		} else
 			return 1;
 	}