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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-01-10 14:56:04 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-01-10 14:56:04 -0800 |
| commit | 1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c (patch) | |
| tree | 2244894a9ea0c941a8f32e5f3d196b4ea0eae24b /drivers/gpu/drm/virtio/virtgpu_fence.c | |
| parent | Input: edt-ft5x06 - use pm core to enable/disable the wake irq (diff) | |
| parent | Linux 5.5-rc5 (diff) | |
| download | wireguard-linux-1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c.tar.xz wireguard-linux-1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c.zip | |
Merge tag 'v5.5-rc5' into next
Sync up with mainline to get SPI "delay" API changes.
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_fence.c')
| -rw-r--r-- | drivers/gpu/drm/virtio/virtgpu_fence.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c index a0514f5bd006..a4b9881ca1d3 100644 --- a/drivers/gpu/drm/virtio/virtgpu_fence.c +++ b/drivers/gpu/drm/virtio/virtgpu_fence.c @@ -41,6 +41,10 @@ bool virtio_fence_signaled(struct dma_fence *f) { struct virtio_gpu_fence *fence = to_virtio_fence(f); + if (WARN_ON_ONCE(fence->f.seqno == 0)) + /* leaked fence outside driver before completing + * initialization with virtio_gpu_fence_emit */ + return false; if (atomic64_read(&fence->drv->last_seq) >= fence->f.seqno) return true; return false; |