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(parent: c2d2a81) | patch
vhost: fix invalid downcast
authorYury Kotov <yury-kotov@yandex-team.ru>
Fri, 13 Jul 2018 14:04:05 +0000 (17:04 +0300)
committerMichael S. Tsirkin <mst@redhat.com>
Fri, 7 Sep 2018 21:05:18 +0000 (17:05 -0400)
commitfa4ae4be15fb08b37bec35139688ef563311d0b9
treebc12433395cafcc2371cdc5c6849cf65b5bcca7atree | snapshot
parentc2d2a81b4196984fb74276826892838b5b69d92ccommit | diff
vhost: fix invalid downcast

virtio_queue_get_desc_addr returns 64-bit hwaddr while int is usually 32-bit.
If returned hwaddr is not equal to 0 but least-significant 32 bits are
equal to 0 then this code will not actually stop running queue.

Signed-off-by: Yury Kotov <yury-kotov@yandex-team.ru>
Acked-by: Jia He <hejianet@gmail.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
hw/virtio/vhost.c diff | blob | history
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