s390/qeth: remove check for packing mode in qeth_check_outbound_queue()

If qeth_check_outbound_queue() finds a partially filled TX buffer on
the queue and flushes it, then the queue _must_ have been in packing
mode.

Remove the redundant check when updating the relevant statistics.

Signed-off-by: Julian Wiedmann <[e-mail]>
Reviewed-by: Alexandra Winter <[e-mail]>
Signed-off-by: Alexandra Winter <[e-mail]>
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/s390/net/qeth_core_main.c

···
 	if ((atomic_read(&queue->used_buffers) <= QETH_LOW_WATERMARK_PACK) ||
 	    !atomic_read(&queue->set_pci_flags_count)) {
 		unsigned int index, flush_cnt;
-		bool q_was_packing;
 
 		spin_lock(&queue->lock);
 
 		index = queue->next_buf_to_fill;
-		q_was_packing = queue->do_pack;
 
 		flush_cnt = qeth_switch_to_nonpacking_if_needed(queue);
 		if (!flush_cnt && !atomic_read(&queue->set_pci_flags_count))
···
 
 		if (flush_cnt) {
 			qeth_flush_buffers(queue, index, flush_cnt);
-			if (q_was_packing)
-				QETH_TXQ_STAT_ADD(queue, bufs_pack, flush_cnt);
+			QETH_TXQ_STAT_ADD(queue, bufs_pack, flush_cnt);
 		}
 
 		spin_unlock(&queue->lock);