[openwrt/openwrt] kernel: backport mtk wlan flow offloading fix

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/af8771751c498f7a7cf801319242eb0edd5bb105

commit af8771751c498f7a7cf801319242eb0edd5bb105
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Mon Jul 18 15:13:56 2022 +0200

    kernel: backport mtk wlan flow offloading fix
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 ...2-v5.19-34-eth-mtk_ppe-fix-up-after-merge.patch | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/target/linux/generic/backport-5.15/702-v5.19-34-eth-mtk_ppe-fix-up-after-merge.patch b/target/linux/generic/backport-5.15/702-v5.19-34-eth-mtk_ppe-fix-up-after-merge.patch
new file mode 100644
index 0000000000..5303ca48a7
--- /dev/null
+++ b/target/linux/generic/backport-5.15/702-v5.19-34-eth-mtk_ppe-fix-up-after-merge.patch
@@ -0,0 +1,28 @@
+From: Jakub Kicinski <kuba at kernel.org>
+Date: Thu, 19 May 2022 18:25:55 -0700
+Subject: [PATCH] eth: mtk_ppe: fix up after merge
+
+I missed this in the barrage of GCC 12 warnings. Commit cf2df74e202d
+("net: fix dev_fill_forward_path with pppoe + bridge") changed
+the pointer into an array.
+
+Fixes: d7e6f5836038 ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
+Link: https://lore.kernel.org/r/20220520012555.2262461-1-kuba@kernel.org
+Signed-off-by: Jakub Kicinski <kuba at kernel.org>
+---
+
+--- a/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
++++ b/drivers/net/ethernet/mediatek/mtk_ppe_offload.c
+@@ -90,10 +90,11 @@ mtk_flow_get_wdma_info(struct net_device
+ {
+ 	struct net_device_path_ctx ctx = {
+ 		.dev = dev,
+-		.daddr = addr,
+ 	};
+ 	struct net_device_path path = {};
+ 
++	memcpy(ctx.daddr, addr, sizeof(ctx.daddr));
++
+ 	if (!IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED))
+ 		return -1;
+