6.13-stable review patch. If anyone has any objections, please let me know.
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From: Peter Chiu chui-hao.chiu@mediatek.com
[ Upstream commit d07ecb4f7070e84de49e8fa4e5a83dd52716d805 ]
Bypass the entry when ofs is equal to dev->reg.map[i].size. Without this patch, it would get incorrect register mapping when the CR address is located at the boundary of an entry.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Peter Chiu chui-hao.chiu@mediatek.com Signed-off-by: Shengyu Qu wiagn233@outlook.com Link: https://patch.msgid.link/OSZPR01MB84344FEFF53004B5CF40BCC198132@OSZPR01MB843... Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/mmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c index 40e45fb2b6260..442f72450352b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mmio.c @@ -177,7 +177,7 @@ static u32 __mt7996_reg_addr(struct mt7996_dev *dev, u32 addr) continue;
ofs = addr - dev->reg.map[i].phys; - if (ofs > dev->reg.map[i].size) + if (ofs >= dev->reg.map[i].size) continue;
return dev->reg.map[i].mapped + ofs;