From: Daniel Gomez Date: Wed, 17 Mar 2021 16:08:37 +0000 (+0100) Subject: drm/amdgpu/ttm: Fix memory leak userptr pages X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0f6f9dd490d524930081a6ef1d60171ce39220b9;p=linux.git drm/amdgpu/ttm: Fix memory leak userptr pages If userptr pages have been pinned but not bounded, they remain uncleared. Reviewed-by: Christian König Signed-off-by: Daniel Gomez Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index 1c6131489a851..8f981034d7044 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -1087,13 +1087,13 @@ static void amdgpu_ttm_backend_unbind(struct ttm_device *bdev, struct amdgpu_ttm_tt *gtt = (void *)ttm; int r; - if (!gtt->bound) - return; - /* if the pages have userptr pinning then clear that first */ if (gtt->userptr) amdgpu_ttm_tt_unpin_userptr(bdev, ttm); + if (!gtt->bound) + return; + if (gtt->offset == AMDGPU_BO_INVALID_OFFSET) return;