Re: [PATCH v6 08/22] drm/virtio: Unlock reservations on dma_resv_reserve_fences() error

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On 5/27/22 01:50, Dmitry Osipenko wrote:
Unlock reservations on dma_resv_reserve_fences() error to fix recursive
locking of the reservations when this error happens.
Fixes:
Cc: stable@xxxxxxxxxxxxxxx

With that fixed,

Reviewed-by: Thomas Hellström <thomas.hellstrom@xxxxxxxxxxxxxxx>


Signed-off-by: Dmitry Osipenko <dmitry.osipenko@xxxxxxxxxxxxx>
---
  drivers/gpu/drm/virtio/virtgpu_gem.c | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_gem.c b/drivers/gpu/drm/virtio/virtgpu_gem.c
index 580a78809836..7db48d17ee3a 100644
--- a/drivers/gpu/drm/virtio/virtgpu_gem.c
+++ b/drivers/gpu/drm/virtio/virtgpu_gem.c
@@ -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;
  }



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