ipwireless: Put packets to pool start

ipwireless: Put packets to pool start

Put packets to pool start, try to reuse cached memory.

Signed-off-by: David Sterba <[e-mail]>
Signed-off-by: Jiri Kosina <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/char/pcmcia/ipwireless/hardware.c

···
 		if (!list_empty(&hw->rx_pool)) {
 			packet = list_first_entry(&hw->rx_pool,
 					struct ipw_rx_packet, queue);
-			list_del(&packet->queue);
 			hw->rx_pool_size--;
 			spin_unlock_irqrestore(&hw->lock, flags);
+			list_del(&packet->queue);
 		} else {
 			static int min_capacity = 256;
 			int new_capacity;
···
 		kfree(packet);
 	else {
 		hw->rx_pool_size++;
-		list_add_tail(&packet->queue, &hw->rx_pool);
+		list_add(&packet->queue, &hw->rx_pool);
 	}
 }