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dm: hyper_dmabuf: clean up assert

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validate fd before use it

Tracked-On: #3349

Signed-off-by: Liu Xinyun <xinyun.liu@intel.com>
Reviewed-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Liu Xinyun 2019-06-25 22:24:27 +08:00 committed by ACRN System Integration
parent 5650183471
commit bd3f2044eb
1 changed files with 3 additions and 3 deletions
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6
devicemodel/hw/pci/virtio/virtio_hyper_dmabuf.c
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@ -15,7 +15,6 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <pthread.h>
#include "dm.h"
@ -343,8 +342,9 @@ virtio_hyper_dmabuf_deinit(struct vmctx *ctx, struct pci_vdev *dev, char *opts)
virtio_hyper_dmabuf_k_stop();
virtio_hyper_dmabuf_k_reset();
kstatus = VIRTIO_DEV_INITIAL;
assert(vbs_k_hyper_dmabuf_fd >= 0);
close(vbs_k_hyper_dmabuf_fd);
if (vbs_k_hyper_dmabuf_fd >= 0) {
close(vbs_k_hyper_dmabuf_fd);
}
vbs_k_hyper_dmabuf_fd = -1;
}