On 2016.12.04 23:57:18 +0000, Eric Engestrom wrote:
> 90d27a1 moved the lock before this error path but forgot to add an
> unlock here.
>
> Fixes: 90d27a1b180e51ef0713 ("drm/i915/gvt: fix deadlock in workload_thread")
> Cc: Pei Zhang <pei.zhang at intel.com>
> Cc: Zhenyu Wang <zhenyuw at linux.intel.com>
> Signed-off-by: Eric Engestrom <eric at engestrom.ch>
> ---
Hi, this has been fixed on
https://cgit.freedesktop.org/drm/drm-intel/commit/?h=drm-intel-next-fixes&id=53d6f812c0dbf1c9cad89b1c2118e61c13ca9677
Thanks!
> drivers/gpu/drm/i915/gvt/scheduler.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c
> b/drivers/gpu/drm/i915/gvt/scheduler.c
> index f898df3..cd13c4b 100644
> --- a/drivers/gpu/drm/i915/gvt/scheduler.c
> +++ b/drivers/gpu/drm/i915/gvt/scheduler.c
> @@ -177,6 +177,7 @@ static int dispatch_workload(struct intel_vgpu_workload
> *workload)
> rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx);
> if (IS_ERR(rq)) {
> gvt_err("fail to allocate gem request\n");
> + mutex_unlock(&dev_priv->drm.struct_mutex);
> workload->status = PTR_ERR(rq);
> return workload->status;
> }
> --
> Cheers,
> Eric
>
--
Open Source Technology Center, Intel ltd.
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