net/smc: allow PCI IDs as ib device names in the pnet table

SMC-D devices are identified by their PCI IDs in the pnet table. In
order to make usage of the pnet table more consistent for users, this
patch adds this form of identification for ib devices as well.
Signed-off-by: NHans Wippel <hwippel@linux.ibm.com>
Signed-off-by: NUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/smc/smc_pnet.c

@@ -293,7 +293,9 @@ static struct smc_ib_device *smc_pnet_find_ib(char *ib_name)
 	spin_lock(&smc_ib_devices.lock);
 	list_for_each_entry(ibdev, &smc_ib_devices.list, list) {
 		if (!strncmp(ibdev->ibdev->name, ib_name,
-			     sizeof(ibdev->ibdev->name))) {
+			     sizeof(ibdev->ibdev->name)) ||
+		    !strncmp(dev_name(ibdev->ibdev->dev.parent), ib_name,
+			     IB_DEVICE_NAME_MAX - 1)) {
 			goto out;
 		}
 	}
@@ -394,7 +396,7 @@ static int smc_pnet_set_nla(struct sk_buff *msg,
 	}
 	if (pnetelem->smcibdev) {
 		if (nla_put_string(msg, SMC_PNETID_IBNAME,
-				   pnetelem->smcibdev->ibdev->name) ||
+			dev_name(pnetelem->smcibdev->ibdev->dev.parent)) ||
 		    nla_put_u8(msg, SMC_PNETID_IBPORT, pnetelem->ib_port))
 			return -1;
 	} else if (pnetelem->smcd_dev) {