| From 070d6a3c8b443ee107225fea4ca2af1b0040da4a Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Sun, 6 Oct 2019 13:08:56 +0200 |
| Subject: net: stmmac: gmac4+: Not all Unicast addresses may be available |
| |
| From: Jose Abreu <Jose.Abreu@synopsys.com> |
| |
| [ Upstream commit 25683bab09a70542b9f8e3e28f79b3369e56701f ] |
| |
| Some setups may not have all Unicast addresses filters available. Check |
| the number of available filters before trying to setup it. |
| |
| Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") |
| Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> |
| Signed-off-by: David S. Miller <davem@davemloft.net> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| 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 f46f2bfc2cc09..4216c0a5eaf5a 100644 |
| --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c |
| +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c |
| @@ -168,7 +168,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, |
| } |
| |
| /* Handle multiple unicast addresses */ |
| - if (netdev_uc_count(dev) > GMAC_MAX_PERFECT_ADDRESSES) { |
| + if (netdev_uc_count(dev) > hw->unicast_filter_entries) { |
| /* Switch to promiscuous mode if more than 128 addrs |
| * are required |
| */ |
| -- |
| 2.20.1 |
| |
