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From: Pavel Machek <pavel@ucw.cz>
To: Arnd Bergmann <arnd@kernel.org>
Cc: Andreas Noever <andreas.noever@gmail.com>,
	Michael Jamet <michael.jamet@intel.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Yehezkel Bernat <YehezkelShB@gmail.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Isaac Hazan <isaac.hazan@intel.com>,
	Lee Jones <lee.jones@linaro.org>,
	Rikard Falkeborn <rikard.falkeborn@gmail.com>,
	linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org
Subject: Re: [PATCH] led-class-flash: fix -Wrestrict warning
Date: Mon, 27 Sep 2021 12:31:37 +0200	[thread overview]
Message-ID: <20210927103137.GA25707@duo.ucw.cz> (raw)
In-Reply-To: <20210927101610.1669830-1-arnd@kernel.org>

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Hi!

> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/leds/led-class-flash.c | 2 +-
>  drivers/thunderbolt/xdomain.c  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/leds/led-class-flash.c b/drivers/leds/led-class-flash.c
> index 185e17055317..6fe9d700dfef 100644
> --- a/drivers/leds/led-class-flash.c
> +++ b/drivers/leds/led-class-flash.c
> @@ -207,7 +207,7 @@ static ssize_t flash_fault_show(struct device *dev,
>  		mask <<= 1;
>  	}
>  
> -	return sprintf(buf, "%s\n", buf);
> +	return strlen(strcat(buf, "\n"));
>  }
>  static DEVICE_ATTR_RO(flash_fault);
>

That's not just a warning. .. the code is crazy. I'll take it if you
split it from the thunderbolt change.

Best regards,
								Pavel

> diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c
> index d66ea4d616fd..eff32499610f 100644
> --- a/drivers/thunderbolt/xdomain.c
> +++ b/drivers/thunderbolt/xdomain.c
> @@ -730,7 +730,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
>  
>  	/* Full buffer size except new line and null termination */
>  	get_modalias(svc, buf, PAGE_SIZE - 2);
> -	return sprintf(buf, "%s\n", buf);
> +	return strlen(strcat(buf, "\n"));
>  }
>  static DEVICE_ATTR_RO(modalias);
>  
> -- 
> 2.29.2

-- 
http://www.livejournal.com/~pavelmachek

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      parent reply	other threads:[~2021-09-27 10:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 10:15 [PATCH] led-class-flash: fix -Wrestrict warning Arnd Bergmann
2021-09-27 10:22 ` Greg Kroah-Hartman
2021-09-27 13:12   ` Arnd Bergmann
2021-09-27 10:31 ` Pavel Machek [this message]

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