mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
* [PATCH] drm/amdkfd: Fix memory leakage
@ 2022-11-29  3:47 Konstantin Meskhidze
  2022-11-29  4:13 ` Felix Kuehling
  0 siblings, 1 reply; 2+ messages in thread
From: Konstantin Meskhidze @ 2022-11-29  3:47 UTC (permalink / raw)
  To: Felix.Kuehling
  Cc: alexander.deucher, christian.koenig, Xinhui.Pan, airlied, daniel,
	sumit.semwal, linux-media, linux-kernel, amd-gfx, dri-devel,
	yusongping, hukeping, artem.kuzin

This patch fixes potential memory leakage and seg fault
in  _gpuvm_import_dmabuf() function

Signed-off-by: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
---
 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;
 	}
 
-- 
2.25.1


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] drm/amdkfd: Fix memory leakage
  2022-11-29  3:47 [PATCH] drm/amdkfd: Fix memory leakage Konstantin Meskhidze
@ 2022-11-29  4:13 ` Felix Kuehling
  0 siblings, 0 replies; 2+ messages in thread
From: Felix Kuehling @ 2022-11-29  4:13 UTC (permalink / raw)
  To: Konstantin Meskhidze
  Cc: alexander.deucher, christian.koenig, Xinhui.Pan, airlied, daniel,
	sumit.semwal, linux-media, linux-kernel, amd-gfx, dri-devel,
	yusongping, hukeping, artem.kuzin

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@huawei.com>

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@amd.com>


> ---
>   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;
>   	}
>   

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2022-11-29  4:14 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-29  3:47 [PATCH] drm/amdkfd: Fix memory leakage Konstantin Meskhidze
2022-11-29  4:13 ` Felix Kuehling

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®