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From: Kees Cook <keescook@chromium.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Kees Cook <keescook@chromium.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Jiri Prchal <jiri.prchal@aksignal.cz>,
	Mark Brown <broonie@kernel.org>,
	Ralph Siemsen <ralph.siemsen@linaro.org>,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: [PATCH -next] eeprom: at25: Replace strncpy() with strscpy()
Date: Tue, 18 Jan 2022 10:20:47 -0800	[thread overview]
Message-ID: <20220118182047.3385295-1-keescook@chromium.org> (raw)

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@linuxfoundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jiri Prchal <jiri.prchal@aksignal.cz>
Signed-off-by: Kees Cook <keescook@chromium.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


             reply	other threads:[~2022-01-18 18:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-18 18:20 Kees Cook [this message]
2022-01-26 19:48 ` Ralph Siemsen
2022-01-26 20:00   ` Kees Cook

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