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authorFrancois Romieu <romieu@fr.zoreil.com>2008-02-18 21:20:32 +0100
committerChris Wright <chrisw@sous-sol.org>2008-04-18 18:53:27 -0700
commit93ea6ab18c1b1a511e168f9207d8c855822f90ff (patch)
tree80d35a49bc8a782b95cc083c44c63ca82c5e6dda
parent6cee5037c7c0950a80bd82f1c8c7dd6a22cd5422 (diff)
sis190: read the mac address from the eeprom first
upstream commit: 563e0ae06ff18f0b280f11cf706ba0172255ce52 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> dsd@gentoo.org notes: This patch fixes http://bugs.gentoo.org/207706 Cc: Daniel Drake <dsd@gentoo.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-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 b570402f7fed..053eab669b2f 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -1632,13 +1632,18 @@ static inline void sis190_init_rxfilter(struct net_device *dev)
static int 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)