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Commit b25215d0 authored by Ron Mercer's avatar Ron Mercer Committed by David S. Miller
Browse files

qlge: Clear shadow registers before use. 



Signed-off-by: default avatarRon Mercer <ron.mercer@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 08b1bc8f

drivers/net/qlge/qlge_main.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -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: