Re: [PATCH] drm/amdgpu: Fix signedness bug in sdma_v4_0_process_trap_irq()

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Applied.  Thanks!

On Sun, Apr 28, 2024 at 9:32 PM Zhou, Bob <Bob.Zhou@xxxxxxx> wrote:
>
> [Public]
>
> Reviewed-by: Bob Zhou <bob.zhou@xxxxxxx>
>
> Regards,
> Bob
>
> -----Original Message-----
> From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Sent: 2024年4月28日 20:57
> To: Zhou, Bob <Bob.Zhou@xxxxxxx>
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx>; Pan, Xinhui <Xinhui.Pan@xxxxxxx>; David Airlie <airlied@xxxxxxxxx>; Daniel Vetter <daniel@xxxxxxxx>; Kuehling, Felix <Felix.Kuehling@xxxxxxx>; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Guchun Chen <guchun.chen@xxxxxxx>; Ma, Le <Le.Ma@xxxxxxx>; Lazar, Lijo <Lijo.Lazar@xxxxxxx>; Sharma, Shashank <Shashank.Sharma@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; kernel-janitors@xxxxxxxxxxxxxxx
> Subject: [PATCH] drm/amdgpu: Fix signedness bug in sdma_v4_0_process_trap_irq()
>
> The "instance" variable needs to be signed for the error handling to work.
>
> Fixes: b34ddc71267a ("drm/amdgpu: add error handle to avoid out-of-bounds")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> index 101038395c3b..772604feb6ac 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
> @@ -2017,7 +2017,7 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
>                                       struct amdgpu_irq_src *source,
>                                       struct amdgpu_iv_entry *entry)  {
> -       uint32_t instance;
> +       int instance;
>
>         DRM_DEBUG("IH: SDMA trap\n");
>         instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
> --
> 2.43.0
>




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