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rtc: ds1553: clean up ds1553_nvram_read()/ds1553_nvram_write()

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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>
This commit is contained in:
Vladimir Zapolskiy
2015-07-27 00:48:31 +03:00
committed by Alexandre Belloni
parent 8ccba14233
commit a9118d77b3
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-ds1553.c
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@@ -245,7 +245,7 @@ static ssize_t ds1553_nvram_read(struct file *filp, struct kobject *kobj,
void __iomem *ioaddr = pdata->ioaddr; void __iomem *ioaddr = pdata->ioaddr;
ssize_t count; ssize_t count;
for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) for (count = 0; count < size; count++)
*buf++ = readb(ioaddr + pos++); *buf++ = readb(ioaddr + pos++);
return count; return count;
} }
@@ -260,7 +260,7 @@ static ssize_t ds1553_nvram_write(struct file *filp, struct kobject *kobj,
void __iomem *ioaddr = pdata->ioaddr; void __iomem *ioaddr = pdata->ioaddr;
ssize_t count; ssize_t count;
for (count = 0; size > 0 && pos < RTC_OFFSET; count++, size--) for (count = 0; count < size; count++)
writeb(*buf++, ioaddr + pos++); writeb(*buf++, ioaddr + pos++);
return count; return count;
} }