[SCSI] bnx2fc: Validate vlan id in NETDEV_UNREGISTER handler

When bnx2fc receives an UNREGISTER event on a vlan interface it calls
destroy on all interfaces that matches the physical interface. Add
vlan_id check to destroy only the vlan interface that generated the
event.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/bnx2fc/bnx2fc_fcoe.c

@@ -838,9 +838,9 @@ static void bnx2fc_indicate_netevent(void *context, unsigned long event,
 			return;
 		mutex_lock(&bnx2fc_dev_lock);
 		list_for_each_entry_safe(interface, tmp, &if_list, list) {
-			if (interface->hba != hba)
-				continue;
-			__bnx2fc_destroy(interface);
+			if (interface->hba == hba &&
+			    interface->vlan_id == (vlan_id & VLAN_VID_MASK))
+				__bnx2fc_destroy(interface);
 		}
 		mutex_unlock(&bnx2fc_dev_lock);
 		return;