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From: Joe Perches <joe@perches.com>
To: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
	stefanr@s5r6.in-berlin.de
Cc: linux1394-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] firewire: convert sysfs sprintf/snprintf family to sysfs_emit
Date: Wed, 03 Feb 2021 23:05:22 -0800	[thread overview]
Message-ID: <d4c12ffbfca8a66ddaa3224296e964ecf9aa0705.camel@perches.com> (raw)
In-Reply-To: <1612421432-39124-1-git-send-email-jiapeng.chong@linux.alibaba.com>

On Thu, 2021-02-04 at 14:50 +0800, Jiapeng Chong wrote:
> Fix the following coccicheck warning:
> 
> ./drivers/firewire/core-device.c:375:8-16: WARNING: use scnprintf or
> sprintf.
[]
> diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
[]
> @@ -372,8 +372,7 @@ static ssize_t rom_index_show(struct device *dev,
>  	struct fw_device *device = fw_device(dev->parent);
>  	struct fw_unit *unit = fw_unit(dev);
>  
> 
> -	return snprintf(buf, PAGE_SIZE, "%d\n",
> -			(int)(unit->directory - device->config_rom));
> +	return sysfs_emit(buf, "%d\n", (int)(unit->directory - device->config_rom));

Perhaps this should use the ptrdiff_t qualifier '%td' instead:

	return sysfs_emit(buf, "%td\n", unit->directory - device->config_rom);



      reply	other threads:[~2021-02-04  7:06 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-04  6:50 Jiapeng Chong
2021-02-04  7:05 ` Joe Perches [this message]

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