linux-kernel - Re: [PATCH 0/2] usb: gadget: Use sysfs

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Message-ID: <8ed37226-7f03-4d92-a43d-cd538944556a@oss.qualcomm.com>
Date: Sun, 1 Feb 2026 16:01:46 +0530
From: Krishna Kurapati <krishna.kurapati@....qualcomm.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Al Viro <viro@...iv.linux.org.uk>, Sam Day <me@...cday.com>,
        Christian Brauner <brauner@...nel.org>, Chen Ni <nichen@...as.ac.cn>,
        Mateusz Guzik <mjguzik@...il.com>, Liang Jie <liangjie@...iang.com>,
        Ingo Rohloff <ingo.rohloff@...terbach.com>,
        Owen Gu <guhuinan@...omi.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] usb: gadget: Use sysfs_emit instead of sprintf



On 2/1/2026 12:58 PM, Greg Kroah-Hartman wrote:
> On Sat, Jan 31, 2026 at 09:31:09PM +0530, Krishna Kurapati wrote:
>> Use sysfs_emit() instead of sprintf() in configfs attribute show functions.
>> sysfs_emit() is the recommended API for sysfs output as it provides buffer
>> overflow protection and proper formatting.
> 
> But this isn't sysfs, as you say, it's configfs, so why switch?  If
> there is no need, the churn is not required.
> 

My bad. Its for configfs. I see sysfs_emit being used in configfs show 
functions in f_ncm/u_ether_configfs.h and hence tried to move to the 
same in f_fs and source sink.

Regards,
Krishna,