ps3_gelic: Don't kill the device on DMA failure

Reset card->tx_dma_progress when lv1_net_start_tx_dma() fails or it
won't send anything afterwards anymore

Signed-off-by: Andre Heider <a.heider@gmail.com>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ps3_gelic_net.c

@@ -838,9 +838,11 @@ static int gelic_card_kick_txdma(struct gelic_card *card,
 		card->tx_dma_progress = 1;
 		status = lv1_net_start_tx_dma(bus_id(card), dev_id(card),
 					      descr->bus_addr, 0);
-		if (status)
+		if (status) {
+			card->tx_dma_progress = 0;
 			dev_info(ctodev(card), "lv1_net_start_txdma failed," \
 				 "status=%d\n", status);
+		}
 	}
 	return status;
 }