linux-kernel - Re: [PATCH] drm/bridge: nxp-ptn3460: fix i2c_master

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Date:   Tue, 05 Dec 2023 14:48:26 +0100
From:   Robert Foss <rfoss@...nel.org>
To:     Sean Paul <seanpaul@...omium.org>,
        Dan Carpenter <dan.carpenter@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Jonas Karlman <jonas@...boo.se>,
        Inki Dae <inki.dae@...sung.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        kernel-janitors@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        dri-devel@...ts.freedesktop.org,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Subject: Re: [PATCH] drm/bridge: nxp-ptn3460: fix i2c_master_send() error checking

On Mon, 4 Dec 2023 15:29:00 +0300, Dan Carpenter wrote:
> The i2c_master_send/recv() functions return negative error codes or the
> number of bytes that were able to be sent/received.  This code has
> two problems.  1)  Instead of checking if all the bytes were sent or
> received, it checks that at least one byte was sent or received.
> 2) If there was a partial send/receive then we should return a negative
> error code but this code returns success.
> 
> [...]

Applied, thanks!

[1/1] drm/bridge: nxp-ptn3460: fix i2c_master_send() error checking
      https://cgit.freedesktop.org/drm/drm-misc/commit/?id=914437992876



Rob