Messages in this thread Patch in this message | | | From | Biao Huang <> | Subject | [PATCH 1/2 net-next] net: stmmac: dwmac4: mac address array boudary violation issue | Date | Tue, 9 Jul 2019 10:36:22 +0800 |
| |
The mac address array size is GMAC_MAX_PERFECT_ADDRESSES, so the 'reg' should be less than it, or will affect other registers.
Signed-off-by: Biao Huang <biao.huang@mediatek.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 8d9f6cda4012..776077ec1a23 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -454,7 +454,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, reg++; } - while (reg <= GMAC_MAX_PERFECT_ADDRESSES) { + while (reg < GMAC_MAX_PERFECT_ADDRESSES) { writel(0, ioaddr + GMAC_ADDR_HIGH(reg)); writel(0, ioaddr + GMAC_ADDR_LOW(reg)); reg++; -- 2.18.0
| |