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@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>
Link: https://lore.kernel.org/r/20220118182047.3385295-1-keescook@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index c3305bdda69cda77f8553b4898e861e9b2c001d8..ecaae1550cb96e5eb671244c1e5ce17ad78f75e4 100644 (file)
--- 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);