bnx2: Fix bug in bnx2_free_rx_mem().

DMA memory for the jumbo rx page rings was freed incorrectly using the
wrong local variable as the array index.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index a1a3d0e..9e8222f 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -543,9 +543,9 @@
 		for (j = 0; j < bp->rx_max_pg_ring; j++) {
 			if (rxr->rx_pg_desc_ring[j])
 				pci_free_consistent(bp->pdev, RXBD_RING_SIZE,
-						    rxr->rx_pg_desc_ring[i],
-						    rxr->rx_pg_desc_mapping[i]);
-			rxr->rx_pg_desc_ring[i] = NULL;
+						    rxr->rx_pg_desc_ring[j],
+						    rxr->rx_pg_desc_mapping[j]);
+			rxr->rx_pg_desc_ring[j] = NULL;
 		}
 		if (rxr->rx_pg_ring)
 			vfree(rxr->rx_pg_ring);