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rtc: ds1742: clean up ds1742_nvram_read()/ds1742_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 00:48:32 +03:00 committed by Alexandre Belloni
parent a9118d77b3
commit c472d7ded2
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-ds1742.c
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@ -134,7 +134,7 @@ static ssize_t ds1742_nvram_read(struct file *filp, struct kobject *kobj,
void __iomem *ioaddr = pdata->ioaddr_nvram;
ssize_t count;
for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--)
for (count = 0; count < size; count++)
*buf++ = readb(ioaddr + pos++);
return count;
}
@ -149,7 +149,7 @@ static ssize_t ds1742_nvram_write(struct file *filp, struct kobject *kobj,
void __iomem *ioaddr = pdata->ioaddr_nvram;
ssize_t count;
for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--)
for (count = 0; count < size; count++)
writeb(*buf++, ioaddr + pos++);
return count;
}