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Commit c472d7de authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Alexandre Belloni
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rtc: ds1742: clean up ds1742_nvram_read()/ds1742_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: default avatarVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent a9118d77

drivers/rtc/rtc-ds1742.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

}