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[BRIDGE]: Fix OOPS when bridging device without ethtool.

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Bridge code calls ethtool to get speed. The conversion to using
only ethtool_ops broke the case of devices without ethtool_ops.
This is a new regression in 2.6.23.

Rearranged the switch to a logical order, and use gcc initializer.

Ps: speed should have been part of the network device structure from
    the start rather than burying it in ethtool.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Acked-by: Matthew Wilcox <matthew@wil.cx>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2007-08-30 22:16:22 -07:00
committed by David S. Miller
parent df1c0b8468
commit b4a488d182
1 changed files with 8 additions and 8 deletions
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net/bridge/br_if.c
+8 -8
View File
@@ -33,17 +33,17 @@
*/
static int port_cost(struct net_device *dev)
{
if (dev->ethtool_ops->get_settings) {
struct ethtool_cmd ecmd = { ETHTOOL_GSET };
int err = dev->ethtool_ops->get_settings(dev, &ecmd);
if (!err) {
if (dev->ethtool_ops && dev->ethtool_ops->get_settings) {
struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET, };
if (!dev->ethtool_ops->get_settings(dev, &ecmd)) {
switch(ecmd.speed) {
case SPEED_100:
return 19;
case SPEED_1000:
return 4;
case SPEED_10000:
return 2;
case SPEED_1000:
return 4;
case SPEED_100:
return 19;
case SPEED_10:
return 100;
}