linux-kernel - Re: [PATCH] staging: vc04_services: use 'time_left' variable with wait_for_completion

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Date: Thu, 20 Jun 2024 22:42:05 +0200
From: Stefan Wahren <wahrenst@....net>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>,
 linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Florian Fainelli <florian.fainelli@...adcom.com>,
 Broadcom internal kernel review list
 <bcm-kernel-feedback-list@...adcom.com>, Ray Jui <rjui@...adcom.com>,
 Scott Branden <sbranden@...adcom.com>, linux-staging@...ts.linux.dev,
 linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] staging: vc04_services: use 'time_left' variable with
 wait_for_completion_timeout()

Am 20.06.24 um 20:25 schrieb Wolfram Sang:
> There is a confusing pattern in the kernel to use a variable named
> 'timeout' to store the result of wait_for_completion_timeout() causing
> patterns like:
>
>          timeout = wait_for_completion_timeout(...)
>          if (!timeout) return -ETIMEDOUT;
>
> with all kinds of permutations. Use 'time_left' as a variable to make the
> code self explaining.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Reviewed-by: Stefan Wahren <wahrenst@....net>

Thanks