From: Varun Prakash <varun@chelsio.com>
Date: Tue, 10 Oct 2017 13:55:30 +0000 (+0530)
Subject: scsi: libcxgbi: in case of vlan pass 0 as ifindex to find route
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4c2a02157fdd5dc71de7cf42eff07576746eb450;p=openwrt%2Fstaging%2Fblogic.git

scsi: libcxgbi: in case of vlan pass 0 as ifindex to find route

In case of vlan pass 0 as ifindex to find route instead of passing
real_dev ifindex, if we pass real_dev ifindex then
ip_route_output_ports() and ip6_route_output() will check for route
through real_dev not through vlan interface.

Signed-off-by: Varun Prakash <varun@chelsio.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index da36c2de069e..f39d4d107114 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -2554,7 +2554,10 @@ struct iscsi_endpoint *cxgbi_ep_connect(struct Scsi_Host *shost,
 			goto err_out;
 		}
 
-		ifindex = hba->ndev->ifindex;
+		rtnl_lock();
+		if (!vlan_uses_dev(hba->ndev))
+			ifindex = hba->ndev->ifindex;
+		rtnl_unlock();
 	}
 
 	if (dst_addr->sa_family == AF_INET) {