From f4843b19d2c7b5effd25e2a65b487d02bf55e96f Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy <vz@mleia.com> Date: Mon, 27 Jul 2015 00:48:29 +0300 Subject: [PATCH] rtc: ds1343: clean up ds1343_nvram_read()/ds1343_nvram_write() The change removes redundant sysfs binary file boundary checks, since this task is already done on caller side in fs/sysfs/file.c Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> --- drivers/rtc/rtc-ds1343.c | 12 ------------ 1 file changed, 12 deletions(-) diff --git a/drivers/rtc/rtc-ds1343.c b/drivers/rtc/rtc-ds1343.c index ae9f997223b1..79a06dd3c185 100644 --- a/drivers/rtc/rtc-ds1343.c +++ b/drivers/rtc/rtc-ds1343.c @@ -162,12 +162,6 @@ static ssize_t ds1343_nvram_write(struct file *filp, struct kobject *kobj, struct device *dev = kobj_to_dev(kobj); struct ds1343_priv *priv = dev_get_drvdata(dev); - if (unlikely(!count)) - return count; - - if ((count + off) > DS1343_NVRAM_LEN) - count = DS1343_NVRAM_LEN - off; - address = DS1343_NVRAM + off; ret = regmap_bulk_write(priv->map, address, buf, count); @@ -187,12 +181,6 @@ static ssize_t ds1343_nvram_read(struct file *filp, struct kobject *kobj, struct device *dev = kobj_to_dev(kobj); struct ds1343_priv *priv = dev_get_drvdata(dev); - if (unlikely(!count)) - return count; - - if ((count + off) > DS1343_NVRAM_LEN) - count = DS1343_NVRAM_LEN - off; - address = DS1343_NVRAM + off; ret = regmap_bulk_read(priv->map, address, buf, count);