bnx2: Need to call cnic_setup_cnic_irq_info() after MTU change.

New status blocks are allocated during MTU change so we need to
update this information for the cnic driver.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bnx2.c

@@ -7141,6 +7141,13 @@ bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx)
 			dev_close(bp->dev);
 			return rc;
 		}
+#ifdef BCM_CNIC
+		mutex_lock(&bp->cnic_lock);
+		/* Let cnic know about the new status block. */
+		if (bp->cnic_eth_dev.drv_state & CNIC_DRV_STATE_REGD)
+			bnx2_setup_cnic_irq_info(bp);
+		mutex_unlock(&bp->cnic_lock);
+#endif
 		bnx2_netif_start(bp);
 	}
 	return 0;