The break statement for the Macronix case is missing and will
fall through to the Winbond case and re-assign the size setting.
Fix this by adding the missing break statement.  Also correctly
indent the return statements.
Detected by CoverityScan, CID#
1458020 ("Missing break in switch")
Fixes: 96ac18f14a5a ("cxgb4: Add support for new flash parts")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 
                default:
                        dev_err(adap->pdev_dev, "Micron Flash Part has bad size, ID = %#x, Density code = %#x\n",
                                flashid, density);
-               return -EINVAL;
+                       return -EINVAL;
                }
                break;
        }
                default:
                        dev_err(adap->pdev_dev, "Macronix Flash Part has bad size, ID = %#x, Density code = %#x\n",
                                flashid, density);
-               return -EINVAL;
+                       return -EINVAL;
                }
+               break;
        }
        case 0xef: { /* Winbond */
                /* This Density -> Size decoding table is taken from Winbond
                default:
                        dev_err(adap->pdev_dev, "Winbond Flash Part has bad size, ID = %#x, Density code = %#x\n",
                                flashid, density);
-               return -EINVAL;
+                       return -EINVAL;
                }
                break;
        }