diff options
| author | Gabriel Paubert <paubert@iram.es> | 2007-03-23 22:03:52 +0300 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-03-28 10:18:51 +0400 |
| commit | fadac4060c0456ce0a190ee581746ae8663f84e1 (patch) | |
| tree | 2d8c5f910214dbb4e911c97ce0f5813f0f5d7ca6 /drivers/net | |
| parent | 3ba4d093fe8a26f5f2da94411bf8732fa6e9da86 (diff) | |
| download | linux-fadac4060c0456ce0a190ee581746ae8663f84e1.tar.xz | |
mv643xx_eth: Fix use of uninitialized port_num field
In this driver, the default ethernet address is first set by by calling
eth_port_uc_addr_get() which reads the relevant registers of the
corresponding port as initially set by firmware. However that function
used the port_num field accessed through the private area of net_dev
before it was set.
The result was that one board I have ended up with the unicast address
set to 00:00:00:00:00:00 (only port 1 is connected on this board). The
problem appeared after commit 84dd619e4dc3b0b1c40dafd98c90fd950bce7bc5.
This patch fixes the bug by setting mp->port_num prior to calling
eth_port_uc_get_addr().
Signed-off-by: Gabriel Paubert <paubert@iram.es>
Signed-off-by: Dale Farnsworth <dale@farnsworth.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index c9f55bc57edb..8015a7c5b0c9 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -1379,7 +1379,7 @@ static int mv643xx_eth_probe(struct platform_device *pdev) spin_lock_init(&mp->lock); - port_num = pd->port_number; + port_num = mp->port_num = pd->port_number; /* set default config values */ eth_port_uc_addr_get(dev, dev->dev_addr); @@ -1411,8 +1411,6 @@ static int mv643xx_eth_probe(struct platform_device *pdev) duplex = pd->duplex; speed = pd->speed; - mp->port_num = port_num; - /* Hook up MII support for ethtool */ mp->mii.dev = dev; mp->mii.mdio_read = mv643xx_mdio_read; |