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* [PATCH RESEND wireless-next] wifi: mt76: connac: Replace memcpy + hard-coded size with strscpy
@ 2025-10-17 22:09 Thorsten Blum
  0 siblings, 0 replies; only message in thread
From: Thorsten Blum @ 2025-10-17 22:09 UTC (permalink / raw)
  To: Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Shayne Chen,
	Sean Wang, Matthias Brugger, AngeloGioacchino Del Regno
  Cc: Thorsten Blum, linux-wireless, linux-kernel, linux-arm-kernel,
	linux-mediatek

Use strscpy() to copy the string into the fixed-size buffer 'req.data'
instead of hardcoding the number of bytes to copy. This improves
maintainability and ensures the buffer is always NUL-terminated.

No functional changes.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index fc3e6728fcfb..8fc3ecfc27a0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -2,6 +2,7 @@
 /* Copyright (C) 2020 MediaTek Inc. */
 
 #include <linux/firmware.h>
+#include <linux/string.h>
 #include "mt76_connac2_mac.h"
 #include "mt76_connac_mcu.h"
 
@@ -1974,7 +1975,7 @@ int mt76_connac_mcu_chip_config(struct mt76_dev *dev)
 		.resp_type = 0,
 	};
 
-	memcpy(req.data, "assert", 7);
+	strscpy(req.data, "assert");
 
 	return mt76_mcu_send_msg(dev, MCU_CE_CMD(CHIP_CONFIG),
 				 &req, sizeof(req), false);
-- 
2.51.0


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2025-10-17 22:09 [PATCH RESEND wireless-next] wifi: mt76: connac: Replace memcpy + hard-coded size with strscpy Thorsten Blum

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