Re: [PATCH -next] drm/i915: fix possible memory leak in intel_hdcp_auth_downstream()

From: Jani Nikula
Date: Thu Aug 01 2019 - 06:14:08 EST


On Thu, 04 Jul 2019, Wei Yongjun <weiyongjun1@xxxxxxxxxx> wrote:
> 'ksv_fifo' is malloced in intel_hdcp_auth_downstream() and should be
> freed before leaving from the error handling cases, otherwise it will
> cause memory leak.


Thanks for the patch, sorry for the delay, pushed to
drm-intel-next-queued.

BR,
Jani.

>
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_hdcp.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
> index bc3a94d491c4..27bd7276a82d 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdcp.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
> @@ -536,7 +536,8 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
>
> if (drm_hdcp_check_ksvs_revoked(dev, ksv_fifo, num_downstream)) {
> DRM_ERROR("Revoked Ksv(s) in ksv_fifo\n");
> - return -EPERM;
> + ret = -EPERM;
> + goto err;
> }
>
> /*
>
>
>

--
Jani Nikula, Intel Open Source Graphics Center