Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
        }
        CLAW_DBF_TEXT(2, setup, "init_mod");
        claw_root_dev = root_device_register("claw");
-       ret = IS_ERR(claw_root_dev) ? PTR_ERR(claw_root_dev) : 0;
+       ret = PTR_RET(claw_root_dev);
        if (ret)
                goto register_err;
        ret = ccw_driver_register(&claw_ccw_driver);
 
        if (ret)
                goto out_err;
        ctcm_root_dev = root_device_register("ctcm");
-       ret = IS_ERR(ctcm_root_dev) ? PTR_ERR(ctcm_root_dev) : 0;
+       ret = PTR_RET(ctcm_root_dev);
        if (ret)
                goto register_err;
        ret = ccw_driver_register(&ctcm_ccw_driver);
 
        if (rc)
                goto out_err;
        lcs_root_dev = root_device_register("lcs");
-       rc = IS_ERR(lcs_root_dev) ? PTR_ERR(lcs_root_dev) : 0;
+       rc = PTR_RET(lcs_root_dev);
        if (rc)
                goto register_err;
        rc = ccw_driver_register(&lcs_ccw_driver);
 
        if (rc)
                goto out_err;
        qeth_core_root_dev = root_device_register("qeth");
-       rc = IS_ERR(qeth_core_root_dev) ? PTR_ERR(qeth_core_root_dev) : 0;
+       rc = PTR_RET(qeth_core_root_dev);
        if (rc)
                goto register_err;
        qeth_core_header_cache = kmem_cache_create("qeth_hdr",