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

[ Upstream commit 25683bab09 ]

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

Fixes: 477286b53f ("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>
This commit is contained in:
Jose Abreu
2019-10-06 13:08:56 +02:00
committed by Chris
parent b8e07dabb2
commit d3c771a562

View File

@@ -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
*/