vdpa net: stop probing if cannot set features
Otherwise it continues the CVQ isolation probing. Fixes: 152128d646 ("vdpa: move CVQ isolation check to net_init_vhost_vdpa") Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Message-Id: <20230915170836.3078172-3-eperezma@redhat.com> Tested-by: Lei Yang <leiyang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
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@ -1364,6 +1364,7 @@ static int vhost_vdpa_probe_cvq_isolation(int device_fd, uint64_t features,
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r = ioctl(device_fd, VHOST_SET_FEATURES, &features);
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r = ioctl(device_fd, VHOST_SET_FEATURES, &features);
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if (unlikely(r)) {
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if (unlikely(r)) {
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error_setg_errno(errp, errno, "Cannot set features");
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error_setg_errno(errp, errno, "Cannot set features");
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goto out;
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}
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}
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r = ioctl(device_fd, VHOST_VDPA_SET_STATUS, &status);
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r = ioctl(device_fd, VHOST_VDPA_SET_STATUS, &status);
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