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path: root/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_breadcrumbs.c')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_breadcrumbs.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
index 484c74d71739..1d1757584f49 100644
--- a/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/gt/intel_breadcrumbs.c
@@ -451,10 +451,12 @@ void i915_request_cancel_breadcrumb(struct i915_request *rq)
struct intel_context *ce = rq->context;
bool release;
- if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags))
+ spin_lock(&ce->signal_lock);
+ if (!test_and_clear_bit(I915_FENCE_FLAG_SIGNAL, &rq->fence.flags)) {
+ spin_unlock(&ce->signal_lock);
return;
+ }
- spin_lock(&ce->signal_lock);
list_del_rcu(&rq->signal_link);
release = remove_signaling_context(b, ce);
spin_unlock(&ce->signal_lock);