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net: stmmac: dwmac4: mac address array boudary violation issue

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Biao Huang 2019-07-09 10:36:22 +08:00 committed by David S. Miller
parent 6ec3d4d225
commit efd58adf8f
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
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@ -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++;