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由 Lin Ma 提交于
If user forgets to provide any backend types for '-netdev' in qemu CLI, It triggers seg fault. e.g. Expected: $ qemu -netdev id=net0 qemu-system-x86_64: Parameter 'type' is missing Actual: $ qemu -netdev id=net0 Segmentation fault (core dumped) Fixes: 547203ea ("net: List available netdevs with "-netdev help") Reviewed-by: NThomas Huth <thuth@redhat.com> Cc: qemu-stable@nongnu.org Signed-off-by: NLin Ma <lma@suse.com> Signed-off-by: NJason Wang <jasowang@redhat.com>
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