linux-kernel - Re: [PATCH][next] drm/i915/psr: fix copy-paste error with setting of tp2_wakeup_time_us

Open Source and information security mailing list archives

Message-ID: <20180620185956.GB8258@intel.com>
Date:   Wed, 20 Jun 2018 11:59:56 -0700
From:   Rodrigo Vivi <rodrigo.vivi@...el.com>
To:     Colin King <colin.king@...onical.com>
Cc:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        David Airlie <airlied@...ux.ie>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH][next] drm/i915/psr: fix copy-paste error with setting of
 tp2_wakeup_time_us

On Wed, Jun 20, 2018 at 02:25:43PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> Currently for the psr_table->tp2_tp3_wakeup_time case 3 there appears
> to be a copy-paste error from the previous switch statement where
> dev_priv->vbt.psr.tp1_wakeup_time_us is being assigned and I believe
> it should be dev_priv->vbt.psr.tp2_tp3_wakeup_time_us that should be
> assigned instead.
> 
> Detected by CoverityScan, CID#1470105 ("Copy-paste error")
> 
> Fixes: 77312ae8f071 ("drm/i915/psr: vbt change for psr")
> Signed-off-by: Colin Ian King <colin.king@...onical.com>

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@...el.com>

pushing to dinq now. thanks for the patch.

> ---
>  drivers/gpu/drm/i915/intel_bios.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
> index 03f04b472394..e0a14be1080a 100644
> --- a/drivers/gpu/drm/i915/intel_bios.c
> +++ b/drivers/gpu/drm/i915/intel_bios.c
> @@ -740,7 +740,7 @@ parse_psr(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
>  			dev_priv->vbt.psr.tp2_tp3_wakeup_time_us = 100;
>  			break;
>  		case 3:
> -			dev_priv->vbt.psr.tp1_wakeup_time_us = 0;
> +			dev_priv->vbt.psr.tp2_tp3_wakeup_time_us = 0;
>  			break;
>  		default:
>  			DRM_DEBUG_KMS("VBT tp2_tp3 wakeup time value %d is outside range[0-3], defaulting to max value 2500us\n",
> -- 
> 2.17.0
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives