netdev - [PATCH v2 net] qlcnic: Initialize mailbox cmd structure to zero

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Date:	Wed, 4 Jun 2014 03:40:54 -0400
From:	Rajesh Borundia <rajesh.borundia@...gic.com>
To:	<davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <Dept-HSGLinuxNICDev@...gic.com>
Subject: [PATCH v2 net] qlcnic: Initialize mailbox cmd structure to zero

o Uninitialzed fields in mailbox command structure
  caused commands to time out randomly due to garbage
  values so initialize it to zero.

Signed-off-by: Rajesh Borundia <rajesh.borundia@...gic.com>
---
Changes in v2: Initialized cmd structure where it is allocated as
	       per David Miller's review comment.
---
 .../ethernet/qlogic/qlcnic/qlcnic_sriov_common.c   |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index 6afe9c1..d9216af 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -454,6 +454,7 @@ static int qlcnic_sriov_get_vf_acl(struct qlcnic_adapter *adapter)
 	struct qlcnic_cmd_args cmd;
 	int ret = 0;
 
+	memset(&cmd, 0, sizeof(cmd));
 	ret = qlcnic_sriov_alloc_bc_mbx_args(&cmd, QLCNIC_BC_CMD_GET_ACL);
 	if (ret)
 		return ret;
@@ -1441,6 +1442,7 @@ static int qlcnic_sriov_channel_cfg_cmd(struct qlcnic_adapter *adapter, u8 cmd_o
 	struct qlcnic_vf_info *vf = &adapter->ahw->sriov->vf_info[0];
 	int ret;
 
+	memset(&cmd, 0, sizeof(cmd));
 	if (qlcnic_sriov_alloc_bc_mbx_args(&cmd, cmd_op))
 		return -ENOMEM;
 
@@ -1998,6 +2000,7 @@ int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *adapter,
 	struct qlcnic_cmd_args cmd;
 	int ret;
 
+	memset(&cmd, 0, sizeof(cmd));
 	if (vid == 0)
 		return 0;
 
-- 
1.6.3.3

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