From: Jani Nikula <jani.nikula@intel.com>
Date: Thu, 30 Sep 2021 11:24:34 +0000 (+0300)
Subject: drm/i915/hdmi: return -EINVAL instead of -1
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=0743019d540d18e7a5db220bf4c4b95650aa8c9e;p=linux.git

drm/i915/hdmi: return -EINVAL instead of -1

Avoid using the incidental -EPERM.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8acf7ffe9222d23c7f47dbd95ff1f737221ff72c.1633000838.git.jani.nikula@intel.com
---

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 1bc33766ed39b..468a107aaabc8 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;