linux-kernel - [PATCH V2] usb: gadget: udc: renesas

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Message-Id: <20250122081231.47594-1-guoren@kernel.org>
Date: Wed, 22 Jan 2025 03:12:31 -0500
From: guoren@...nel.org
To: palmer@...belt.com,
	guoren@...nel.org,
	conor@...nel.org,
	geert+renesas@...der.be,
	prabhakar.mahadev-lad.rj@...renesas.com,
	yoshihiro.shimoda.uh@...esas.com
Cc: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org,
	gregkh@...uxfoundation.org,
	Guo Ren <guoren@...ux.alibaba.com>,
	stable@...r.kernel.org,
	kernel test robot <lkp@...el.com>
Subject: [PATCH V2] usb: gadget: udc: renesas_usb3: Fix compiler warning

From: Guo Ren <guoren@...ux.alibaba.com>

drivers/usb/gadget/udc/renesas_usb3.c: In function 'renesas_usb3_probe':
drivers/usb/gadget/udc/renesas_usb3.c:2638:73: warning: '%d'
directive output may be truncated writing between 1 and 11 bytes into a
region of size 6 [-Wformat-truncation=]
2638 |   snprintf(usb3_ep->ep_name, sizeof(usb3_ep->ep_name), "ep%d", i);
                                    ^~~~~~~~~~~~~~~~~~~~~~~~     ^~   ^

Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas
USB3.0 peripheral controller")
Cc: stable@...r.kernel.org
Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501201409.BIQPtkeB-lkp@intel.com/
Signed-off-by: Guo Ren <guoren@...ux.alibaba.com>
Signed-off-by: Guo Ren <guoren@...nel.org>
---
 drivers/usb/gadget/udc/renesas_usb3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index fce5c41d9f29..89b304cf6d03 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -310,7 +310,7 @@ struct renesas_usb3_request {
 	struct list_head	queue;
 };
 
-#define USB3_EP_NAME_SIZE	8
+#define USB3_EP_NAME_SIZE	16
 struct renesas_usb3_ep {
 	struct usb_ep ep;
 	struct renesas_usb3 *usb3;
-- 
2.40.1