[PATCH] drm/i915/display: Initalizalize capability variables

Borah, Chaitanya Kumar chaitanya.kumar.borah at intel.com
Tue Mar 26 11:09:51 UTC 2024


Hello Suraj,

> -----Original Message-----
> From: Kandpal, Suraj <suraj.kandpal at intel.com>
> Sent: Tuesday, March 26, 2024 10:45 AM
> To: intel-gfx at lists.freedesktop.org
> Cc: Borah, Chaitanya Kumar <chaitanya.kumar.borah at intel.com>; Kandpal,
> Suraj <suraj.kandpal at intel.com>
> Subject: [PATCH] drm/i915/display: Initalizalize capability variables

Typo: Initialize 

> Initialize HDCP capability variables to false to avoid UBSAN warning in
> boolean value.
> 

I can see a case where hdcp_cap remains unassigned in case intel_dp_hdcp_get_remote_capability() returns without assigning it a value.

Is that intended/expected?

Regards

Chaitanya

> Signed-off-by: Suraj Kandpal <suraj.kandpal at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> index b99c024b0934..95d14dab089e 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
> @@ -191,7 +191,7 @@ static void intel_hdcp_info(struct seq_file *m,
>  			    struct intel_connector *intel_connector,
>  			    bool remote_req)
>  {
> -	bool hdcp_cap, hdcp2_cap;
> +	bool hdcp_cap = false, hdcp2_cap = false;
> 
>  	if (!intel_connector->hdcp.shim) {
>  		seq_puts(m, "No Connector Support");
> --
> 2.43.2



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