[PATCH 4.15 17/47] net sched actions: return explicit error when tunnel_key mode is not specified

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Roman Mashak [ Upstream commit 51d4740f88affd85d49c04e3c9cd129c0e33bcb9 ] If set/unset mode of the tunnel_key action is not provided, ->init() still returns 0, and the

[PATCH 4.15 17/47] net sched actions: return explicit error when tunnel_key mode is not specified

4.15-stable review patch. If anyone has any objections, please let me know. -- From: Roman Mashak [ Upstream commit 51d4740f88affd85d49c04e3c9cd129c0e33bcb9 ] If set/unset mode of the tunnel_key action is not provided, ->init() still returns 0, and the caller proceeds with