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qlge: Clear shadow registers before use.

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Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2009-03-09 10:59:24 +00:00 committed by David S. Miller
parent 08b1bc8f4a
commit b25215d043
1 changed files with 2 additions and 0 deletions
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2
drivers/net/qlge/qlge_main.c
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@ -2142,6 +2142,7 @@ static int ql_alloc_shadow_space(struct ql_adapter *qdev)
"Allocation of RX shadow space failed.\n"); "Allocation of RX shadow space failed.\n");
return -ENOMEM; return -ENOMEM;
} }
memset(qdev->rx_ring_shadow_reg_area, 0, PAGE_SIZE);
qdev->tx_ring_shadow_reg_area = qdev->tx_ring_shadow_reg_area =
pci_alloc_consistent(qdev->pdev, PAGE_SIZE, pci_alloc_consistent(qdev->pdev, PAGE_SIZE,
&qdev->tx_ring_shadow_reg_dma); &qdev->tx_ring_shadow_reg_dma);
@ -2150,6 +2151,7 @@ static int ql_alloc_shadow_space(struct ql_adapter *qdev)
"Allocation of TX shadow space failed.\n"); "Allocation of TX shadow space failed.\n");
goto err_wqp_sh_area; goto err_wqp_sh_area;
} }
memset(qdev->tx_ring_shadow_reg_area, 0, PAGE_SIZE);
return 0; return 0;
err_wqp_sh_area: err_wqp_sh_area: