Index: linux-2.4.35.4/drivers/net/b44.h =================================================================== --- linux-2.4.35.4.orig/drivers/net/b44.h +++ linux-2.4.35.4/drivers/net/b44.h @@ -122,6 +122,7 @@ #define RXCONFIG_FLOW 0x00000020 /* Flow Control Enable */ #define RXCONFIG_FLOW_ACCEPT 0x00000040 /* Accept Unicast Flow Control Frame */ #define RXCONFIG_RFILT 0x00000080 /* Reject Filter */ +#define RXCONFIG_CAM_ABSENT 0x00000100 /* CAM Absent */ #define B44_RXMAXLEN 0x0404UL /* EMAC RX Max Packet Length */ #define B44_TXMAXLEN 0x0408UL /* EMAC TX Max Packet Length */ #define B44_MDIO_CTRL 0x0410UL /* EMAC MDIO Control */ Index: linux-2.4.35.4/drivers/net/b44.c =================================================================== --- linux-2.4.35.4.orig/drivers/net/b44.c +++ linux-2.4.35.4/drivers/net/b44.c @@ -1299,6 +1299,7 @@ static int b44_set_mac_addr(struct net_d { struct b44 *bp = dev->priv; struct sockaddr *addr = p; + u32 val; if (netif_running(dev)) return -EBUSY; @@ -1306,7 +1307,11 @@ static int b44_set_mac_addr(struct net_d memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); spin_lock_irq(&bp->lock); - __b44_set_mac_addr(bp); + + val = br32(B44_RXCONFIG); + if (!(val & RXCONFIG_CAM_ABSENT)) + __b44_set_mac_addr(bp); + spin_unlock_irq(&bp->lock); return 0; @@ -1493,7 +1498,7 @@ static void __b44_set_rx_mode(struct net val = br32(B44_RXCONFIG); val &= ~(RXCONFIG_PROMISC | RXCONFIG_ALLMULTI); - if (dev->flags & IFF_PROMISC) { + if ((dev->flags & IFF_PROMISC) || (val & RXCONFIG_CAM_ABSENT)) { val |= RXCONFIG_PROMISC; bw32(B44_RXCONFIG, val); } else {