[PATCH 20/20] drm/amd/amdgpu/imu_v11_0: Increase buffer size to ensure all possible values can be stored

[Alex Deucher]

Applied.  Thanks!

On Thu, Aug 24, 2023 at 3:38 AM Lee Jones <lee at kernel.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/imu_v11_0.c: In function ‘imu_v11_0_init_microcode’:
>  drivers/gpu/drm/amd/amdgpu/imu_v11_0.c:52:54: warning: ‘_imu.bin’ directive output may be truncated writing 8 bytes into a region of size between 4 and 33 [-Wformat-truncation=]
>  drivers/gpu/drm/amd/amdgpu/imu_v11_0.c:52:9: note: ‘snprintf’ output between 16 and 45 bytes into a destination of size 40
>
> Signed-off-by: Lee Jones <lee at kernel.org>
> ---
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Cc: "Christian König" <christian.koenig at amd.com>
> Cc: "Pan, Xinhui" <Xinhui.Pan at amd.com>
> Cc: David Airlie <airlied at gmail.com>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: Mario Limonciello <mario.limonciello at amd.com>
> Cc: amd-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> ---
>  drivers/gpu/drm/amd/amdgpu/imu_v11_0.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
> index 4ab90c7852c3e..ca123ff553477 100644
> --- a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
> @@ -39,7 +39,7 @@ MODULE_FIRMWARE("amdgpu/gc_11_0_4_imu.bin");
>
>  static int imu_v11_0_init_microcode(struct amdgpu_device *adev)
>  {
> -       char fw_name[40];
> +       char fw_name[45];
>         char ucode_prefix[30];
>         int err;
>         const struct imu_firmware_header_v1_0 *imu_hdr;
> --
> 2.42.0.rc1.204.g551eb34607-goog
>