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From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 6 May 2022 15:15:06 +0200
Subject: [PATCH] netfilter: nft_flow_offload: fix offload with pppoe +
 vlan

When running a combination of PPPoE on top of a VLAN, we need to set
info->outdev to the PPPoE device, otherwise PPPoE encap is skipped
during software offload.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -123,7 +123,8 @@ static void nft_dev_path_info(const stru
 				info->indev = NULL;
 				break;
 			}
-			info->outdev = path->dev;
+			if (!info->outdev)
+				info->outdev = path->dev;
 			info->encap[info->num_encaps].id = path->encap.id;
 			info->encap[info->num_encaps].proto = path->encap.proto;
 			info->num_encaps++;