From: Pierre Morel <pmorel@linux.vnet.ibm.com>
Date: Wed, 16 Mar 2016 12:56:35 +0000 (+0100)
Subject: s390/pci: PCI function group 0 is valid for clp_query_pci_fn
X-Git-Tag: v4.6-rc2~19^2~1
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=aa624886b6fa5807ef0540d153f542d72c64acf3;p=cascardo%2Flinux.git

s390/pci: PCI function group 0 is valid for clp_query_pci_fn

The PCI function group 0 is a valid function group,
it is wrong to reject it.

Let's accept PCI function group 0.

Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Acked-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c
index 21591ddb4c1f..1a4512c8544a 100644
--- a/arch/s390/pci/pci_clp.c
+++ b/arch/s390/pci/pci_clp.c
@@ -176,8 +176,7 @@ static int clp_query_pci_fn(struct zpci_dev *zdev, u32 fh)
 		rc = clp_store_query_pci_fn(zdev, &rrb->response);
 		if (rc)
 			goto out;
-		if (rrb->response.pfgid)
-			rc = clp_query_pci_fngrp(zdev, rrb->response.pfgid);
+		rc = clp_query_pci_fngrp(zdev, rrb->response.pfgid);
 	} else {
 		zpci_err("Q PCI FN:\n");
 		zpci_err_clp(rrb->response.hdr.rsp, rc);