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authorFrancois Romieu <romieu@fr.zoreil.com>2008-02-18 21:20:32 +0100
committerJeff Garzik <jeff@garzik.org>2008-02-23 23:57:47 -0500
commit563e0ae06ff18f0b280f11cf706ba0172255ce52 (patch)
treedd1dfe89ac42824348b1ae8857685f77692c7dba /drivers/net/sis190.c
parent98e0f521456943801aacc7a4c0efb5b3bb6f89e0 (diff)
sis190: read the mac address from the eeprom first
Reading a serie of zero from the cmos sram area do not work well with is_valid_ether_addr(). Let's read the mac address from the eeprom first as it seems more reliable. Fix for http://bugzilla.kernel.org/show_bug.cgi?id=9831 Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sis190.c')
-rw-r--r--drivers/net/sis190.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index 202fdf356621..20745fd4e973 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -1633,13 +1633,18 @@ static inline void sis190_init_rxfilter(struct net_device *dev)
static int __devinit sis190_get_mac_addr(struct pci_dev *pdev,
struct net_device *dev)
{
- u8 from;
+ int rc;
+
+ rc = sis190_get_mac_addr_from_eeprom(pdev, dev);
+ if (rc < 0) {
+ u8 reg;
- pci_read_config_byte(pdev, 0x73, &from);
+ pci_read_config_byte(pdev, 0x73, &reg);
- return (from & 0x00000001) ?
- sis190_get_mac_addr_from_apc(pdev, dev) :
- sis190_get_mac_addr_from_eeprom(pdev, dev);
+ if (reg & 0x00000001)
+ rc = sis190_get_mac_addr_from_apc(pdev, dev);
+ }
+ return rc;
}
static void sis190_set_speed_auto(struct net_device *dev)