Re: [PATCH] drm/amdkfd: Fix memory leakage

From: Felix Kuehling
Date: Mon Nov 28 2022 - 23:14:12 EST


Am 2022-11-28 um 22:47 schrieb Konstantin Meskhidze:
This patch fixes potential memory leakage and seg fault
in _gpuvm_import_dmabuf() function

Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@xxxxxxxxxx>

Thank you for the patch. I'm adding a Fixes tag and pushing the patch to amd-staging-drm-next.

Fixes: d4ec4bdc0bd5 ("drm/amdkfd: Allow access for mmapping KFD BOs")
Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx>


---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 978d3970b5cc..e0084f712e02 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -2257,7 +2257,7 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct amdgpu_device *adev,
ret = drm_vma_node_allow(&obj->vma_node, drm_priv);
if (ret) {
- kfree(mem);
+ kfree(*mem);
return ret;
}