linux-kernel - [PATCH V3] rtc: rtc-pcf2123: replace strict

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Message-id: <001201ce60d9$c815e190$5841a4b0$@samsung.com>
Date:	Tue, 04 Jun 2013 13:12:52 +0900
From:	Jingoo Han <jg1.han@...sung.com>
To:	'Greg Kroah-Hartman' <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	'Jingoo Han' <jg1.han@...sung.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	'Eric Piel' <eric.piel@...mplin-utc.net>,
	'Dimitri Sivanich' <sivanich@....com>,
	'Robin Holt' <holt@....com>,
	'Andy Shevchenko' <andy.shevchenko@...il.com>
Subject: [PATCH V3] rtc: rtc-pcf2123: replace strict_strtoul() with kstrtoul()

The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.

Signed-off-by: Jingoo Han <jg1.han@...sung.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
Changes since v1:
- Splitted to two sequential checks.
- Added Andy Shevchenko's Reviewed-by.

Changes since v1:
- Used return code from kstrtoul().

 drivers/rtc/rtc-pcf2123.c |   15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index b2a78a0..1725b50 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -94,8 +94,9 @@ static ssize_t pcf2123_show(struct device *dev, struct device_attribute *attr,
 
 	r = container_of(attr, struct pcf2123_sysfs_reg, attr);
 
-	if (strict_strtoul(r->name, 16, &reg))
-		return -EINVAL;
+	ret = kstrtoul(r->name, 16, &reg);
+	if (ret)
+		return ret;
 
 	txbuf[0] = PCF2123_READ | reg;
 	ret = spi_write_then_read(spi, txbuf, 1, rxbuf, 1);
@@ -117,9 +118,13 @@ static ssize_t pcf2123_store(struct device *dev, struct device_attribute *attr,
 
 	r = container_of(attr, struct pcf2123_sysfs_reg, attr);
 
-	if (strict_strtoul(r->name, 16, &reg)
-		|| strict_strtoul(buffer, 10, &val))
-		return -EINVAL;
+	ret = kstrtoul(r->name, 16, &reg);
+	if (ret)
+		return ret;
+
+	ret = kstrtoul(buffer, 10, &val);
+	if (ret)
+		return ret;
 
 	txbuf[0] = PCF2123_WRITE | reg;
 	txbuf[1] = val;
-- 
1.7.10.4


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