vduse: Disallow injecting interrupt before DRIVER_OK is set

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The interrupt callback should not be triggered before DRIVER_OK
is set. Otherwise, it might break the virtio device driver.
So let's add a check to avoid the unexpected behavior.

Fixes: c8a6153b6c ("vduse: Introduce VDUSE - vDPA Device in Userspace")
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Link: https://lore.kernel.org/r/20210923075722.98-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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Xie Yongji 2021-09-23 15:57:22 +08:00 • committed by Michael S. Tsirkin

parent 6422251513

commit 1394103fd7

1 changed files with 8 additions and 0 deletions

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drivers/vdpa/vdpa_user/vduse_dev.c

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