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* [patch -next] pch_gbe: fix if condition in set_settings()
@ 2010-10-13  9:36 Dan Carpenter
  2010-10-16 18:55 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2010-10-13  9:36 UTC (permalink / raw)
  To: netdev; +Cc: Masayuki Ohtake, David S. Miller, kernel-janitors

There were no curly braces in this if condition so it always enabled full
duplex.

And ecmd->speed is an unsigned short so it is never equal to -1.  The
effect is that mii_ethtool_sset() fails with -EINVAL and an error is
printed to dmesg.

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/drivers/net/pch_gbe/pch_gbe_ethtool.c b/drivers/net/pch_gbe/pch_gbe_ethtool.c
index e06c6ae..c8cc32c 100644
--- a/drivers/net/pch_gbe/pch_gbe_ethtool.c
+++ b/drivers/net/pch_gbe/pch_gbe_ethtool.c
@@ -113,9 +113,10 @@ static int pch_gbe_set_settings(struct net_device *netdev,
 
 	pch_gbe_hal_write_phy_reg(hw, MII_BMCR, BMCR_RESET);
 
-	if (ecmd->speed == -1)
+	if (ecmd->speed == USHRT_MAX) {
 		ecmd->speed = SPEED_1000;
 		ecmd->duplex = DUPLEX_FULL;
+	}
 	ret = mii_ethtool_sset(&adapter->mii, ecmd);
 	if (ret) {
 		pr_err("Error: mii_ethtool_sset\n");

^ permalink raw reply related	[flat|nested] 2+ messages in thread

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