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由 Pierre Morel 提交于
In virtio_ccw_read_vq_conf() the return value of ccw_io_helper() was not checked. If the configuration could not be read properly, we'd wrongly assume a queue size of 0. Let's propagate any I/O error to virtio_ccw_setup_vq() so it may properly fail. Signed-off-by: NPierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>
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