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drm/virtio: Unlock reservations on dma_resv_reserve_fences() error

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Unlock reservations on dma_resv_reserve_fences() error to fix recursive
locking of the reservations when this error happens.

Cc: stable@vger.kernel.org
Fixes: c8d4c18bfb ("dma-buf/drivers: make reserving a shared slot mandatory v4")
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20220630200726.1884320-5-dmitry.osipenko@collabora.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Dmitry Osipenko 2022-06-30 23:07:21 +03:00 committed by Gerd Hoffmann
parent fdf0ff4d12
commit 0f877398d3
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/virtio/virtgpu_gem.c
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@ -228,8 +228,10 @@ int virtio_gpu_array_lock_resv(struct virtio_gpu_object_array *objs)
for (i = 0; i < objs->nents; ++i) {
ret = dma_resv_reserve_fences(objs->objs[i]->resv, 1);
if (ret)
if (ret) {
virtio_gpu_array_unlock_resv(objs);
return ret;
}
}
return ret;
}