summaryrefslogtreecommitdiffstats
path: root/drivers/net/sky2.c
diff options
context:
space:
mode:
authorStephen Hemminger <shemminger@osdl.org>2006-04-06 02:47:15 +0200
committerJeff Garzik <jeff@garzik.org>2006-04-13 00:11:23 +0200
commit43f2f10444c008296cc8de68a72fd87b33b50452 (patch)
tree4b0268f07e4478e844b4f59f868bd0e2fbb0baed /drivers/net/sky2.c
parent[PATCH] mv643xx_eth: Fix tx_timeout to only conditionally wake tx queue (diff)
downloadlinux-43f2f10444c008296cc8de68a72fd87b33b50452.tar.xz
linux-43f2f10444c008296cc8de68a72fd87b33b50452.zip
[PATCH] sky2: bad memory reference on dual port cards
Sky2 driver will oops referencing bad memory if used on a dual port card. The problem is accessing past end of MIB counter space. Applies for both 2.6.17 and 2.6.16 (with fuzz) Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 4272e47258df..67b0eab16589 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -577,8 +577,8 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port)
reg = gma_read16(hw, port, GM_PHY_ADDR);
gma_write16(hw, port, GM_PHY_ADDR, reg | GM_PAR_MIB_CLR);
- for (i = 0; i < GM_MIB_CNT_SIZE; i++)
- gma_read16(hw, port, GM_MIB_CNT_BASE + 8 * i);
+ for (i = GM_MIB_CNT_BASE; i <= GM_MIB_CNT_END; i += 4)
+ gma_read16(hw, port, i);
gma_write16(hw, port, GM_PHY_ADDR, reg);
/* transmit control */