openwrt/target/linux/generic/backport-5.15/702-v5.19-16-eth-mtk_eth_soc-silence-the-GCC-12-array-bounds-warn.patch
Felix Fietkau 7676808434 kernel: backport upstream mtk_eth_soc patches
Includes MT7986 ethernet support

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2022-06-18 10:33:30 +02:00

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Diff

From: Jakub Kicinski <kuba@kernel.org>
Date: Fri, 20 May 2022 12:56:03 -0700
Subject: [PATCH] eth: mtk_eth_soc: silence the GCC 12 array-bounds warning
GCC 12 gets upset because in mtk_foe_entry_commit_subflow()
this driver allocates a partial structure. The writes are
within bounds.
Silence these warnings for now, our build bot runs GCC 12
so we won't allow any new instances.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/ethernet/mediatek/Makefile
+++ b/drivers/net/ethernet/mediatek/Makefile
@@ -11,3 +11,8 @@ mtk_eth-$(CONFIG_NET_MEDIATEK_SOC_WED) +
endif
obj-$(CONFIG_NET_MEDIATEK_SOC_WED) += mtk_wed_ops.o
obj-$(CONFIG_NET_MEDIATEK_STAR_EMAC) += mtk_star_emac.o
+
+# FIXME: temporarily silence -Warray-bounds on non W=1+ builds
+ifndef KBUILD_EXTRA_WARN
+CFLAGS_mtk_ppe.o += -Wno-array-bounds
+endif