On Fri, Jan 12, 2018 at 3:55 PM, Lloyd Atkinson <latkinso@xxxxxxxxxxxxxx> wrote:
> Check DSI instance id argument against the proper boundary size
> to protect against invalid configuration of the DSI id.
>
> Signed-off-by: Lloyd Atkinson <latkinso@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/dsi/dsi_manager.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
> index d276358..dec2f74 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
> @@ -862,7 +862,7 @@ int msm_dsi_manager_register(struct msm_dsi *msm_dsi)
> int id = msm_dsi->id;
> int ret;
>
> - if (id > DSI_MAX) {
> + if (id >= DSI_MAX) {
good catch, I've queued this up on msm-next
BR,
-R
> pr_err("%s: invalid id %d\n", __func__, id);
> return -EINVAL;
> }
> --
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