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.ab...@synopsys.com> --- Cc: Giuseppe Cavallaro <peppe.cavall...@st.com> Cc: Alexandre Torgue <alexandre.tor...@st.com> Cc: Jose Abreu <joab...@synopsys.com> Cc: "David S. Miller" <da...@davemloft.net> Cc: Maxime Coquelin <mcoquelin.st...@gmail.com> Cc: net...@vger.kernel.org Cc: linux-st...@st-md-mailman.stormreply.com Cc: linux-arm-ker...@lists.infradead.org Cc: linux-kernel@vger.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 2cb9c53f93b8..5a7b0aca1d31 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -448,7 +448,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value |= GMAC_PACKET_FILTER_HPF; /* 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 */ -- 2.7.4