[net-next v2 05/10] ixgbe: zero out mailbox buffer on init

[Jeff Kirsher <jeffrey.t.kirsher@intel.com>]

From: Emil Tantilov <emil.s.tantilov@intel.com>

This patch initializes the msgbuf array to 0 in order to avoid using random
numbers from the memory as MAC address for the VF.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 73c8e73..276d7b1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -639,8 +639,8 @@ static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
 {
 	struct ixgbe_hw *hw = &adapter->hw;
 	unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
-	u32 reg, msgbuf[4];
-	u32 reg_offset, vf_shift;
+	u32 reg, reg_offset, vf_shift;
+	u32 msgbuf[4] = {0, 0, 0, 0};
 	u8 *addr = (u8 *)(&msgbuf[1]);
 
 	e_info(probe, "VF Reset msg received from vf %d\n", vf);
-- 
1.8.3.1