From cbccaa455c35a95d60ffcfbf97e6db71a8c0b6ab Mon Sep 17 00:00:00 2001 From: Anshuman Gupta Date: Wed, 20 Jan 2021 16:00:32 +0530 Subject: [PATCH] drm/i915/hdcp: Fix uninitialized symbol Move (num_hdcp_streams > 0) condition to stream_encryption() code block, where it actually belongs. This fixes the static analysis error of uninitialized symbol 'ret'. v2: - return 0 as the return value is already checked. [Ankit] Cc: Ramalingam C Reported-by: kernel test robot Reported-by: Dan Carpenter Reviewed-by: Ankit Nautiyal Signed-off-by: Anshuman Gupta Link: https://patchwork.freedesktop.org/patch/msgid/20210120103032.15198-1-anshuman.gupta@intel.com --- drivers/gpu/drm/i915/display/intel_hdcp.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c index 581ccb038b87c..ae1371c36a32d 100644 --- a/drivers/gpu/drm/i915/display/intel_hdcp.c +++ b/drivers/gpu/drm/i915/display/intel_hdcp.c @@ -878,15 +878,15 @@ static int _intel_hdcp_disable(struct intel_connector *connector) } drm_dbg_kms(&dev_priv->drm, "HDCP 1.4 transcoder: %s stream encryption disabled\n", transcoder_name(hdcp->stream_transcoder)); + /* + * If there are other connectors on this port using HDCP, + * don't disable it until it disabled HDCP encryption for + * all connectors in MST topology. + */ + if (dig_port->num_hdcp_streams > 0) + return 0; } - /* - * If there are other connectors on this port using HDCP, don't disable it - * until it disabled HDCP encryption for all connectors in MST topology. - */ - if (dig_port->num_hdcp_streams > 0) - return ret; - hdcp->hdcp_encrypted = false; intel_de_write(dev_priv, HDCP_CONF(dev_priv, cpu_transcoder, port), 0); if (intel_de_wait_for_clear(dev_priv, @@ -1947,10 +1947,10 @@ static int _intel_hdcp2_disable(struct intel_connector *connector) } drm_dbg_kms(&i915->drm, "HDCP 2.2 transcoder: %s stream encryption disabled\n", transcoder_name(hdcp->stream_transcoder)); - } - if (dig_port->num_hdcp_streams > 0) - return ret; + if (dig_port->num_hdcp_streams > 0) + return 0; + } ret = hdcp2_disable_encryption(connector); -- 2.39.5