From: Ron Mercer <ron.mercer@qlogic.com>
Date: Mon, 9 Mar 2009 10:59:24 +0000 (+0000)
Subject: qlge: Clear shadow registers before use.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b25215d0433f6c71b68eede3548815196a2ed5d5;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

qlge: Clear shadow registers before use.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 45ad4cc298bf..75ad4dbb5cb7 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -2142,6 +2142,7 @@ static int ql_alloc_shadow_space(struct ql_adapter *qdev)
 			"Allocation of RX shadow space failed.\n");
 		return -ENOMEM;
 	}
+	memset(qdev->rx_ring_shadow_reg_area, 0, PAGE_SIZE);
 	qdev->tx_ring_shadow_reg_area =
 	    pci_alloc_consistent(qdev->pdev, PAGE_SIZE,
 				 &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");
 		goto err_wqp_sh_area;
 	}
+	memset(qdev->tx_ring_shadow_reg_area, 0, PAGE_SIZE);
 	return 0;
 
 err_wqp_sh_area: