On 3/30/21 11:31 AM, Dan Carpenter wrote:
> The dp->train_set[] for this driver is only two characters, not four so
> this memsets too much. Fortunately, this ends up corrupting a struct
> hole and not anything important.
>
> Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> ---
> drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> index 99158ee67d02..59d1fb017da0 100644
> --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c
> +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c
> @@ -866,7 +866,7 @@ static int zynqmp_dp_train(struct zynqmp_dp *dp)
> return ret;
>
> zynqmp_dp_write(dp, ZYNQMP_DP_SCRAMBLING_DISABLE, 1);
> - memset(dp->train_set, 0, 4);
> + memset(dp->train_set, 0, sizeof(dp->train_set));
> ret = zynqmp_dp_link_train_cr(dp);
> if (ret)
> return ret;
>
Reviewed-by: Michal Simek <michal.simek@xxxxxxxxxx>
Thanks,
Michal
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