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virtio-net: fix offload ctrl endian

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Spec said offloads should be le64, so use virtio_ldq_p() to guarantee
valid endian.

Fixes: 644c98587d4c ("virtio-net: dynamic network offloads configuration")
Cc: qemu-stable@nongnu.org
Cc: Dmitry Fleytman <dfleytma@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Jason Wang 2017-07-14 20:08:18 +08:00
parent 5f997fd17b
commit 189ae6bb5c
1 changed files with 2 additions and 0 deletions
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2
hw/net/virtio-net.c
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@ -758,6 +758,8 @@ static int virtio_net_handle_offloads(VirtIONet *n, uint8_t cmd,
if (cmd == VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET) { if (cmd == VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET) {
uint64_t supported_offloads; uint64_t supported_offloads;
offloads = virtio_ldq_p(vdev, &offloads);
if (!n->has_vnet_hdr) { if (!n->has_vnet_hdr) {
return VIRTIO_NET_ERR; return VIRTIO_NET_ERR;
} }