thanks for this catch!
Reviewed-by: Monk Liu <[email protected]> ________________________________ 发件人: Colin King <[email protected]> 发送时间: 2017年2月4日 4:23:42 收件人: Deucher, Alexander; Koenig, Christian; David Airlie; Liu, Monk; Yu, Xiangliang; [email protected]; [email protected] 抄送: [email protected]; [email protected] 主题: [PATCH] drm/amdgpu/virt: fix double kfree on bo_va From: Colin Ian King <[email protected]> bo_va is being kfree'd twice, once in the call to amdgpu_vm_bo_rmv and then a short while later. Fix this double free by removing the 2nd kfree. Detected by CoverityScan, CID#1399524 ("Double Free") Signed-off-by: Colin Ian King <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 3fd951c..dcfb7df 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -83,7 +83,6 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm) DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r); amdgpu_vm_bo_rmv(adev, bo_va); ttm_eu_backoff_reservation(&ticket, &list); - kfree(bo_va); return r; } -- 2.10.2
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