Applied. Thanks!
Alex
On Thu, Jul 18, 2024 at 9:13 AM Ma Ke <make24@xxxxxxxxxxx> wrote:
>
> In radeon_add_common_modes(), the return value of drm_cvt_mode() is
> assigned to mode, which will lead to a possible NULL pointer dereference
> on failure of drm_cvt_mode(). Add a check to avoid npd.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: d50ba256b5f1 ("drm/kms: start adding command line interface using fb.")
> Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
> ---
> Changes in v2:
> - added a blank line;
> - added Cc line.
> ---
> drivers/gpu/drm/radeon/radeon_connectors.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
> index b84b58926106..37c56c16af8d 100644
> --- a/drivers/gpu/drm/radeon/radeon_connectors.c
> +++ b/drivers/gpu/drm/radeon/radeon_connectors.c
> @@ -520,6 +520,9 @@ static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_conn
> continue;
>
> mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
> + if (!mode)
> + continue;
> +
> drm_mode_probed_add(connector, mode);
> }
> }
> --
> 2.25.1
>
