[HUST CSE][vbus] fix the NULL pointer error
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@ -231,13 +231,14 @@ void rt_vbus_chnx_register_disconn(rt_device_t dev,
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rt_vbus_event_listener indi,
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void *ctx)
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{
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struct rt_vbus_dev *vdev = dev->user_data;
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if (dev && dev->user_data)
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{
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struct rt_vbus_dev *vdev = dev->user_data;
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RT_ASSERT(vdev->chnr != 0);
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RT_ASSERT(vdev->chnr != 0);
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if (vdev)
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rt_vbus_register_listener(vdev->chnr, RT_VBUS_EVENT_ID_DISCONN,
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indi, ctx);
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}
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}
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#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
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