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net: fix dev_fill_forward_path with pppoe + bridge

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When calling dev_fill_forward_path on a pppoe device, the provided destination
address is invalid. In order for the bridge fdb lookup to succeed, the pppoe
code needs to update ctx->daddr to the correct value.
Fix this by storing the address inside struct net_device_path_ctx

Fixes: f6efc675c9 ("net: ppp: resolve forwarding path for bridge pppoe devices")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Felix Fietkau 2022-05-09 14:26:15 +02:00 • committed by Pablo Neira Ayuso
parent 45ca3e6199
commit cf2df74e20
3 changed files with 3 additions and 2 deletions
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2
include/linux/netdevice.h
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@ -900,7 +900,7 @@ struct net_device_path_stack {
struct net_device_path_ctx {
const struct net_device *dev;
const u8 *daddr;
u8 daddr[ETH_ALEN];
int num_vlans;
struct {