From: Yunlei Ding <yunlei.ding@citrix.com>
Date: Fri, 18 Apr 2014 05:23:24 +0000 (+0100)
Subject: virtio-blk: initialise unused blkcfg.size_max field
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=835928ed5d9a707c95e19213e1a201366678cb1c;p=qemu-xen-4.6-testing.git

virtio-blk: initialise unused blkcfg.size_max field

Newer GCC warns about memcpy()ing uninitialised data.

Signed-off-by: Yunlei Ding <yunlei.ding@citrix.com>
Coverity-ID: 1056088
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
---

diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 520ad1bf2..fcf893a69 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -252,6 +252,7 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
     stw_raw(&blkcfg.cylinders, cylinders);
     blkcfg.heads = heads;
     blkcfg.sectors = secs;
+    blkcfg.size_max = 0;
     memcpy(config, &blkcfg, sizeof(blkcfg));
 }