mirror of https://github.com/proxmox/mirror_qemu
vhost: fix infinite loop on error path
file.index is unsigned, hence 'while (--file.index >= 0)' will loop > forever. Change to while (file.index-- > 0). Reported-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>master
parent
b6601141cd
commit
6b37c87c96
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@ -151,7 +151,7 @@ int vhost_net_start(struct vhost_net *net,
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return 0;
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return 0;
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fail:
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fail:
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file.fd = -1;
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file.fd = -1;
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while (--file.index >= 0) {
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while (file.index-- > 0) {
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int r = ioctl(net->dev.control, VHOST_NET_SET_BACKEND, &file);
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int r = ioctl(net->dev.control, VHOST_NET_SET_BACKEND, &file);
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assert(r >= 0);
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assert(r >= 0);
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}
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}
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