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| author | Jason Wang <jasowang@redhat.com> | 2017-03-15 19:48:30 +0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2017-03-15 19:37:19 +0200 |
| commit | 168e4af3c129534ee7d81edc238a9aa9ca0dd474 (patch) | |
| tree | 67bd6c94fe914748aa4a3fc9b32dad611fafbb07 /scripts/qapi2texi.py | |
| parent | 72d9196f1ef588c19821d0a4fb563836fdb2a0b7 (diff) | |
| download | focaccia-qemu-168e4af3c129534ee7d81edc238a9aa9ca0dd474.tar.gz focaccia-qemu-168e4af3c129534ee7d81edc238a9aa9ca0dd474.zip | |
virtio: guard against NULL pfn
To avoid access stale memory region cache after reset, this patch check the existence of virtqueue pfn for all exported virtqueue access helpers before trying to use them. Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'scripts/qapi2texi.py')
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