Commit 25683bab authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller

net: stmmac: gmac4+: Not all Unicast addresses may be available

Some setups may not have all Unicast addresses filters available. Check
the number of available filters before trying to setup it.

Fixes: 477286b5 ("stmmac: add GMAC4 core support")
Signed-off-by: default avatarJose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b870b0f8
...@@ -448,7 +448,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, ...@@ -448,7 +448,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
value |= GMAC_PACKET_FILTER_HPF; value |= GMAC_PACKET_FILTER_HPF;
/* Handle multiple unicast addresses */ /* 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 /* Switch to promiscuous mode if more than 128 addrs
* are required * are required
*/ */
......
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