Add encoder check in intel_hdcp2_get_capability to avoid
null pointer error.
Signed-off-by: Suraj Kandpal <suraj.kandpal@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_dp_hdcp.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
index 2edffe62f360..47f51a5ab493 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_hdcp.c
@@ -675,8 +675,15 @@ static
int intel_dp_hdcp2_get_capability(struct intel_connector *connector,
bool *capable)
{
- struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
- struct drm_dp_aux *aux = &dig_port->dp.aux;
+ struct intel_digital_port *dig_port;
+ struct drm_dp_aux *aux;
+
+ *capable = false;
+ if (!intel_attached_encoder(connector))
+ return -EINVAL;
+
+ dig_port = intel_attached_dig_port(connector);
+ aux = &dig_port->dp.aux;
return _intel_dp_hdcp2_get_capability(aux, capable);
}
--
2.43.2
