| Message ID | 20220526235040.678984-9-dmitry.osipenko@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add generic memory shrinker to VirtIO-GPU and Panfrost DRM drivers | expand |
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@vger.kernel.org With that fixed, Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> > Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> > --- > 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; > }
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; }
Unlock reservations on dma_resv_reserve_fences() error to fix recursive locking of the reservations when this error happens. Cc: stable@vger.kernel.org Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com> --- drivers/gpu/drm/virtio/virtgpu_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)