linux-kernel - [PATCH] usb: gadget: f_uac1: replace scnprintf() with sysfs

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Message-ID: <20250718175037.299710-1-sumanth.gavini@yahoo.com>
Date: Fri, 18 Jul 2025 12:50:35 -0500
From: Sumanth Gavini <sumanth.gavini@...oo.com>
To: gregkh@...uxfoundation.org,
	crwulff@...il.com,
	sumanth.gavini@...oo.com
Cc: linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	skhan@...uxfoundation.org,
	david.hunter.linux@...il.com
Subject: [PATCH] usb: gadget: f_uac1: replace scnprintf() with sysfs_emit()

Documentation/filesystems/sysfs.rst mentions that show() should only
use sysfs_emit() or sysfs_emit_at() when formating the value to be
returned to user space. So replace scnprintf() with sysfs_emit().

Signed-off-by: Sumanth Gavini <sumanth.gavini@...oo.com>
---
 drivers/usb/gadget/function/f_uac1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c
index c87e74afc881..9da9fb4e1239 100644
--- a/drivers/usb/gadget/function/f_uac1.c
+++ b/drivers/usb/gadget/function/f_uac1.c
@@ -1634,7 +1634,7 @@ static ssize_t f_uac1_opts_##name##_show(struct config_item *item,	\
 	int result;							\
 									\
 	mutex_lock(&opts->lock);					\
-	result = scnprintf(page, sizeof(opts->name), "%s", opts->name);	\
+	result = sysfs_emit(page, "%s", opts->name);        	        \
 	mutex_unlock(&opts->lock);					\
 									\
 	return result;							\
-- 
2.43.0