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authorH. Peter Anvin <hpa@zytor.com>2008-08-25 22:45:37 -0700
committerH. Peter Anvin <hpa@zytor.com>2008-08-25 22:45:37 -0700
commit94d4ac2f4a58c6e37876827c6688c61cef21290c (patch)
tree732f4e4794f3c116041242f69754637f75c0dd57 /drivers/net/e1000e/param.c
parented21763e7b0b3fb50e4efd9d4bc17ef5b035d304 (diff)
parent08970fc4e0385790a7b093adfaa4165a189f9eb0 (diff)
Merge branch 'x86/urgent' into x86/cleanups
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 8effc3107f9a..ed912e023a72 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 {