bnx2x: fix handling mf storage modes

Since commit a3348722 AFEX FCoE function is continuously reset.
The patch prevents the resetting and removes debug print
to stop garbaging syslog.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 2422099..4833b6a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2957,9 +2957,13 @@
 			skb_shinfo(skb)->nr_frags +
 			BDS_PER_TX_PKT +
 			NEXT_CNT_PER_TX_PKT(MAX_BDS_PER_TX_PKT))) {
-		bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
-		netif_tx_stop_queue(txq);
-		BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+		/* Handle special storage cases separately */
+		if (txdata->tx_ring_size != 0) {
+			BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+			bnx2x_fp_qstats(bp, txdata->parent_fp)->driver_xoff++;
+			netif_tx_stop_queue(txq);
+		}
+
 		return NETDEV_TX_BUSY;
 	}