Thanks for fixing this.
Please add a Cc tag to stable, and repost.
Reviewed-by: Luben Tuikov <luben.tuikov@xxxxxxx>
Regards,
Luben
On 2022-11-10 09:33, Dong Chenchen wrote:
> When p->gang_size equals 0, amdgpu_cs_pass1() will return directly
> without freeing chunk_array, which will cause a memory leak issue,
> this patch fixes it.
>
> Fixes: 4624459c84d7 ("drm/amdgpu: add gang submit frontend v6")
> Signed-off-by: Dong Chenchen <dongchenchen2@xxxxxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index 1bbd39b3b0fc..0e24d6b80e0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -287,8 +287,10 @@ static int amdgpu_cs_pass1(struct amdgpu_cs_parser *p,
> }
> }
>
> - if (!p->gang_size)
> - return -EINVAL;
> + if (!p->gang_size) {
> + ret = -EINVAL;
> + goto free_partial_kdata;
> + }
>
> for (i = 0; i < p->gang_size; ++i) {
> ret = amdgpu_job_alloc(p->adev, num_ibs[i], &p->jobs[i], vm);
