Messages in this thread Patch in this message | | | From | Eric Engestrom <> | Subject | [PATCH] drm/i915/gvt: fix deadlock in dispatch_workload()'s error path | Date | Sun, 4 Dec 2016 23:57:18 +0000 |
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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@intel.com> Cc: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Engestrom <eric@engestrom.ch> --- 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
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