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[Xen-devel] [PATCH 01/32] virtio-blk: initialise unused blkcfg.size_max field
From: Yunlei Ding <yunlei.ding@xxxxxxxxxx>
Newer GCC warns about memcpy()ing uninitialised data.
Signed-off-by: Yunlei Ding <yunlei.ding@xxxxxxxxxx>
Coverity-ID: 1056088
Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
hw/virtio-blk.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 520ad1b..fcf893a 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));
}
--
1.7.10.4
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