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authorKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>2006-01-05 22:45:44 -0800
committerJeff Garzik <jgarzik@pobox.com>2006-01-09 10:54:48 -0500
commit32a4ec97461f00aa63747fc8978011ea771bd543 (patch)
tree0b9076b1374433d11e7ed89caf4e01703f87960a /drivers/net/e1000/e1000_param.c
parent504ddff4c0b8e31fa2a2775d6d484faeb126a265 (diff)
[PATCH] e1000: Fix invalid memory reference
Fix an invalid memory reference in the e1000 driver which would cause kernel panic. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Cc: Jeb Cramer <cramerj@intel.com> Cc: John Ronciak <john.ronciak@intel.com> Cc: Ganesh Venkatesan <ganesh.venkatesan@intel.com> Cc: Jeff Garzik <jgarzik@pobox.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/net/e1000/e1000_param.c')
-rw-r--r--drivers/net/e1000/e1000_param.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/e1000/e1000_param.c b/drivers/net/e1000/e1000_param.c
index 38695d5b463..ccbbe5ad8e0 100644
--- a/drivers/net/e1000/e1000_param.c
+++ b/drivers/net/e1000/e1000_param.c
@@ -545,7 +545,7 @@ e1000_check_fiber_options(struct e1000_adapter *adapter)
static void __devinit
e1000_check_copper_options(struct e1000_adapter *adapter)
{
- int speed, dplx;
+ int speed, dplx, an;
int bd = adapter->bd_number;
{ /* Speed */
@@ -641,8 +641,12 @@ e1000_check_copper_options(struct e1000_adapter *adapter)
.p = an_list }}
};
- int an = AutoNeg[bd];
- e1000_validate_option(&an, &opt, adapter);
+ if (num_AutoNeg > bd) {
+ an = AutoNeg[bd];
+ e1000_validate_option(&an, &opt, adapter);
+ } else {
+ an = opt.def;
+ }
adapter->hw.autoneg_advertised = an;
}