[PATCH 4/6] drm/i915/hdmi: return -EINVAL instead of -1

[Jani Nikula <jani.nikula@xxxxxxxxx>]

Avoid using the incidental -EPERM.

Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 1bc33766ed39..468a107aaabc 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -1703,7 +1703,7 @@ int intel_hdmi_hdcp2_read_msg(struct intel_digital_port *dig_port,
 		drm_dbg_kms(&i915->drm,
 			    "msg_sz(%zd) is more than exp size(%zu)\n",
 			    ret, size);
-		return -1;
+		return -EINVAL;
 	}
 
 	offset = HDCP_2_2_HDMI_REG_RD_MSG_OFFSET;
-- 
2.30.2