Subject: e1000: The user-supplied itr setting needs the lower 2 bits masked off
From: Jesse Brandeburg <[EMAIL PROTECTED]>
The lower 2 bits of a user-supplied itr setting (via ethtool) need to be
masked off: These lower two bits are used as control bits.
Signed-off-by: Jesse Brandeburg <[EMAIL PROTECTED]>
Signed-off-by: Auke Kok <[EMAIL PROTECTED]>
Signed-off-by: Arjan van de Ven <[EMAIL PROTECTED]>
---
drivers/net/e1000/e1000_param.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6/drivers/net/e1000/e1000_param.c
===================================================================
--- linux-2.6.orig/drivers/net/e1000/e1000_param.c
+++ linux-2.6/drivers/net/e1000/e1000_param.c
@@ -487,7 +487,9 @@ e1000_check_options(struct e1000_adapter
e1000_validate_option(&adapter->itr, &opt,
adapter);
/* save the setting, because the dynamic bits
change itr */
- adapter->itr_setting = adapter->itr;
+ /* clear the lower two bits because they are
+ * used as control */
+ adapter->itr_setting = adapter->itr & ~3;
break;
}
} else {
-
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