net: sched: refine extack messages in tcf_change_indev (e4a58ef3) · Commits · 戴 / test

Add an error message when device wasn't found. While there, also set the bad attribute's offset in extack. Signed-off-by:

include/net/pkt_cls.h

+6 −2

Original line number	Diff line number	Diff line
		@@ -502,12 +502,16 @@ tcf_change_indev(struct net net, struct nlattr indev_tlv,
		struct net_device *dev;

		if (nla_strlcpy(indev, indev_tlv, IFNAMSIZ) >= IFNAMSIZ) {
		NL_SET_ERR_MSG(extack, "Interface name too long");
		NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
		"Interface name too long");
		return -EINVAL;
		}
		dev = __dev_get_by_name(net, indev);
		if (!dev)
		if (!dev) {
		NL_SET_ERR_MSG_ATTR(extack, indev_tlv,
		"Network device not found");
		return -ENODEV;
		}
		return dev->ifindex;
		}