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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 1befcdf9b646..d9b8d17c3fc6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1445,6 +1445,7 @@ static int intel_ring_context_pin(struct intel_engine_cs *engine,
if (ce->pin_count++)
return 0;
+ GEM_BUG_ON(!ce->pin_count); /* no overflow please! */
if (ce->state) {
ret = context_pin(ctx);