s390/drivers: 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/char/sclp.c b/drivers/s390/char/sclp.c
index 97319d6..3e4fb4e 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -1170,7 +1170,7 @@
 		return rc;
 
 	sclp_pdev = platform_device_register_simple("sclp", -1, NULL, 0);
-	rc = IS_ERR(sclp_pdev) ? PTR_ERR(sclp_pdev) : 0;
+	rc = PTR_RET(sclp_pdev);
 	if (rc)
 		goto fail_platform_driver_unregister;