diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2011-06-29 06:15:15 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-07-01 09:13:38 +0400 |
| commit | 3170ff54c26004ea627022af695d0c8709d29b04 (patch) | |
| tree | e4d3cc24adacebdf3e4c31de89d6805b2ee513d1 /drivers | |
| parent | bda7ed47937bd9ba8c10631ca884f7fefb162f4d (diff) | |
| download | linux-3170ff54c26004ea627022af695d0c8709d29b04.tar.xz | |
net: depca: Omit check for multicast bit in netdev_for_each_mc_addr
There is no need to check for the address being a multicast address in
the netdev_for_each_mc_addr loop, so remove it.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/depca.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/net/depca.c b/drivers/net/depca.c index d54a0e93ba93..a7ccaa67c7d4 100644 --- a/drivers/net/depca.c +++ b/drivers/net/depca.c @@ -1270,7 +1270,6 @@ static void SetMulticastFilter(struct net_device *dev) { struct depca_private *lp = netdev_priv(dev); struct netdev_hw_addr *ha; - char *addrs; int i, j, bit, byte; u16 hashcode; u32 crc; @@ -1285,19 +1284,15 @@ static void SetMulticastFilter(struct net_device *dev) } /* Add multicast addresses */ netdev_for_each_mc_addr(ha, dev) { - addrs = ha->addr; - if ((*addrs & 0x01) == 1) { /* multicast address? */ - crc = ether_crc(ETH_ALEN, addrs); - hashcode = (crc & 1); /* hashcode is 6 LSb of CRC ... */ - for (j = 0; j < 5; j++) { /* ... in reverse order. */ - hashcode = (hashcode << 1) | ((crc >>= 1) & 1); - } - - - byte = hashcode >> 3; /* bit[3-5] -> byte in filter */ - bit = 1 << (hashcode & 0x07); /* bit[0-2] -> bit in byte */ - lp->init_block.mcast_table[byte] |= bit; + crc = ether_crc(ETH_ALEN, ha->addr); + hashcode = (crc & 1); /* hashcode is 6 LSb of CRC ... */ + for (j = 0; j < 5; j++) { /* ... in reverse order. */ + hashcode = (hashcode << 1) | ((crc >>= 1) & 1); } + + byte = hashcode >> 3; /* bit[3-5] -> byte in filter */ + bit = 1 << (hashcode & 0x07); /* bit[0-2] -> bit in byte */ + lp->init_block.mcast_table[byte] |= bit; } } } |