devlink: extend devlink_nl_put_nested_handle() with attrtype arg

As the next patch is going to call this helper with need to fill another
type of nested attribute, pass it over function arg.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/devlink/devl_internal.h

@@ -146,7 +146,7 @@ devlink_nl_put_handle(struct sk_buff *msg, struct devlink *devlink)
 }
 
 int devlink_nl_put_nested_handle(struct sk_buff *msg, struct net *net,
-				 struct devlink *devlink);
+				 struct devlink *devlink, int attrtype);
 int devlink_nl_msg_reply_and_new(struct sk_buff **msg, struct genl_info *info);
 
 /* Notify */

net/devlink/linecard.c

@@ -114,7 +114,8 @@ static int devlink_nl_linecard_fill(struct sk_buff *msg,
 
 	if (linecard->nested_devlink &&
 	    devlink_nl_put_nested_handle(msg, devlink_net(devlink),
-					 linecard->nested_devlink))
+					 linecard->nested_devlink,
+					 DEVLINK_ATTR_NESTED_DEVLINK))
 		goto nla_put_failure;
 
 	genlmsg_end(msg, hdr);

net/devlink/netlink.c

@@ -83,11 +83,11 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
 };
 
 int devlink_nl_put_nested_handle(struct sk_buff *msg, struct net *net,
-				 struct devlink *devlink)
+				 struct devlink *devlink, int attrtype)
 {
 	struct nlattr *nested_attr;
 
-	nested_attr = nla_nest_start(msg, DEVLINK_ATTR_NESTED_DEVLINK);
+	nested_attr = nla_nest_start(msg, attrtype);
 	if (!nested_attr)
 		return -EMSGSIZE;
 	if (devlink_nl_put_handle(msg, devlink))