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rtc: tx4939: clean up tx4939_rtc_nvram_read()/tx4939_rtc_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 <[email protected]>
Signed-off-by: Alexandre Belloni <[email protected]>
This commit is contained in:
Vladimir Zapolskiy 2015-07-27 00:48:36 +03:00 • committed by Alexandre Belloni
commit 824625d392
1 changed files with 2 additions and 4 deletions
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6
drivers/rtc/rtc-tx4939.c
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@ -199,8 +199,7 @@ static ssize_t tx4939_rtc_nvram_read(struct file *filp, struct kobject *kobj,
ssize_t count;
spin_lock_irq(&pdata->lock);
for (count = 0; size > 0 && pos < TX4939_RTC_REG_RAMSIZE;
count++, size--) {
for (count = 0; count < size; count++) {
__raw_writel(pos++, &rtcreg->adr);
*buf++ = __raw_readl(&rtcreg->dat);
}
@ -218,8 +217,7 @@ static ssize_t tx4939_rtc_nvram_write(struct file *filp, struct kobject *kobj,
ssize_t count;
spin_lock_irq(&pdata->lock);
for (count = 0; size > 0 && pos < TX4939_RTC_REG_RAMSIZE;
count++, size--) {
for (count = 0; count < size; count++) {
__raw_writel(pos++, &rtcreg->adr);
__raw_writel(*buf++, &rtcreg->dat);
}