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Message-Id: <20220118182047.3385295-1-keescook@chromium.org>
Date:   Tue, 18 Jan 2022 10:20:47 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Kees Cook <keescook@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jiri Prchal <jiri.prchal@...ignal.cz>,
        Mark Brown <broonie@...nel.org>,
        Ralph Siemsen <ralph.siemsen@...aro.org>,
        linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: [PATCH -next] eeprom: at25: Replace strncpy() with strscpy()

Use strscpy() instead of strncpy(), since its use has been deprecated[1].

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Jiri Prchal <jiri.prchal@...ignal.cz>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/misc/eeprom/at25.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index bee727ed98db..91f96abbb3f9 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -309,7 +309,7 @@ static int at25_fw_to_chip(struct device *dev, struct spi_eeprom *chip)
 	u32 val;
 	int err;
 
-	strncpy(chip->name, "at25", sizeof(chip->name));
+	strscpy(chip->name, "at25", sizeof(chip->name));
 
 	err = device_property_read_u32(dev, "size", &val);
 	if (err)
@@ -370,7 +370,7 @@ static int at25_fram_to_chip(struct device *dev, struct spi_eeprom *chip)
 	u8 id[FM25_ID_LEN];
 	int i;
 
-	strncpy(chip->name, "fm25", sizeof(chip->name));
+	strscpy(chip->name, "fm25", sizeof(chip->name));
 
 	/* Get ID of chip */
 	fm25_aux_read(at25, id, FM25_RDID, FM25_ID_LEN);
-- 
2.30.2

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