s390/net: Cocci spatch "ptr_ret.spatch"

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>
diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index c645dc9..f404f55 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -2441,7 +2441,7 @@
 	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);