[PATCH 2/4] drm/i915: don't leak lmem mapping in vma_evict

Juha-Pekka Heikkila juhapekka.heikkila at gmail.com
Tue Jun 21 11:47:40 UTC 2022


Don't leak lmem mapping in vma_evict, move __i915_vma_iounmap outside
i915_vma_is_map_and_fenceable

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/i915_vma.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 7753337ff9fb..bda37616221f 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -1918,9 +1918,11 @@ struct dma_fence *__i915_vma_evict(struct i915_vma *vma, bool async)
 		/* release the fence reg _after_ flushing */
 		i915_vma_revoke_fence(vma);
 
-		__i915_vma_iounmap(vma);
 		clear_bit(I915_VMA_CAN_FENCE_BIT, __i915_vma_flags(vma));
 	}
+
+	__i915_vma_iounmap(vma);
+
 	GEM_BUG_ON(vma->fence);
 	GEM_BUG_ON(i915_vma_has_userfault(vma));
 
-- 
2.28.0



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