seabios-zero-memory-before-use.patch

From 24e9afba6b9ca7942c79c5f15208ea5416067b43 Mon Sep 17 00:00:00 2001
From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 31 May 2010 13:04:20 -0300
Subject: [PATCH 2/2] zero memory before use

RH-Author: Gleb Natapov <gleb@redhat.com>
Message-id: <20100531130420.GA26913@redhat.com>
Patchwork-id: 9631
O-Subject: [PATCH SEABIOS RHEL6] zero memory before use
Bugzilla: 578752
RH-Acked-by: Eduardo Habkost <ehabkost@redhat.com>
RH-Acked-by: Glauber Costa <glommer@redhat.com>
RH-Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Bugzilla-related: 596881

Zero virtio queue memory before use.

BZ: 596881
Upstream: non needed there, but in backport.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
--
			Gleb.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 src/virtio-blk.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/virtio-blk.c b/src/virtio-blk.c
index 14719c9..c7144b5 100644
--- a/src/virtio-blk.c
+++ b/src/virtio-blk.c
@@ -115,6 +115,7 @@ virtio_blk_setup(void)
         u16 ioaddr = pci_config_readl(bdf, PCI_BASE_ADDRESS_0) &
             PCI_BASE_ADDRESS_IO_MASK;
 
+        memset(vq, 0, sizeof(*vq));
         memset(vdrive_g, 0, sizeof(*vdrive_g));
         vdrive_g->ioaddr = ioaddr;
         vdrive_g->vq = vq;
-- 
1.7.0.3