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Message-ID: <20240508184905.2102633-8-andriy.shevchenko@linux.intel.com>
Date: Wed, 8 May 2024 21:47:00 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v1 07/10] misc: eeprom_93xx46: Convert to use kstrtox()
sscanf() is a heavy one and moreover requires additional boundary checks.
Convert driver to use kstrtobool() in eeprom_93xx46_store_erase().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/misc/eeprom/eeprom_93xx46.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/eeprom/eeprom_93xx46.c b/drivers/misc/eeprom/eeprom_93xx46.c
index 3f885bac72c2..18a3b534ea73 100644
--- a/drivers/misc/eeprom/eeprom_93xx46.c
+++ b/drivers/misc/eeprom/eeprom_93xx46.c
@@ -10,7 +10,7 @@
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/gpio/consumer.h>
-#include <linux/kernel.h>
+#include <linux/kstrtox.h>
#include <linux/log2.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
@@ -366,9 +366,13 @@ static ssize_t eeprom_93xx46_store_erase(struct device *dev,
const char *buf, size_t count)
{
struct eeprom_93xx46_dev *edev = dev_get_drvdata(dev);
- int erase = 0, ret;
+ bool erase;
+ int ret;
+
+ ret = kstrtobool(buf, &erase);
+ if (ret)
+ return ret;
- sscanf(buf, "%d", &erase);
if (erase) {
ret = eeprom_93xx46_ew(edev, 1);
if (ret)
--
2.43.0.rc1.1336.g36b5255a03ac
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