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authorIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
commit429b022af41108f6942d72547592b1d30e9a51f0 (patch)
tree7d68355529718018cdad1241285816c6f64620b2 /drivers/net/e1000e/param.c
parent0cd418ddb1ee88df7d16d5df06cb2da68eceb9e4 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
downloadop-kernel-dev-429b022af41108f6942d72547592b1d30e9a51f0.zip
op-kernel-dev-429b022af41108f6942d72547592b1d30e9a51f0.tar.gz
Merge commit 'v2.6.27-rc6' into core/rcu
Diffstat (limited to 'drivers/net/e1000e/param.c')
-rw-r--r--drivers/net/e1000e/param.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/net/e1000e/param.c b/drivers/net/e1000e/param.c
index 8effc31..ed912e0 100644
--- a/drivers/net/e1000e/param.c
+++ b/drivers/net/e1000e/param.c
@@ -324,14 +324,27 @@ void __devinit e1000e_check_options(struct e1000_adapter *adapter)
adapter->itr = 20000;
break;
default:
- e1000_validate_option(&adapter->itr, &opt,
- adapter);
/*
- * save the setting, because the dynamic bits
- * change itr. clear the lower two bits
- * because they are used as control
+ * Save the setting, because the dynamic bits
+ * change itr.
*/
- adapter->itr_setting = adapter->itr & ~3;
+ if (e1000_validate_option(&adapter->itr, &opt,
+ adapter) &&
+ (adapter->itr == 3)) {
+ /*
+ * In case of invalid user value,
+ * default to conservative mode.
+ */
+ adapter->itr_setting = adapter->itr;
+ adapter->itr = 20000;
+ } else {
+ /*
+ * Clear the lower two bits because
+ * they are used as control.
+ */
+ adapter->itr_setting =
+ adapter->itr & ~3;
+ }
break;
}
} else {
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