From 824625d3926f0caf4753426d2b24a8fc08a406c8 Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy Date: Mon, 27 Jul 2015 00:48:36 +0300 Subject: [PATCH] rtc: tx4939: clean up tx4939_rtc_nvram_read()/tx4939_rtc_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 Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-tx4939.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c index cb7f94ede516..560d9a5e0225 100644 --- a/drivers/rtc/rtc-tx4939.c +++ b/drivers/rtc/rtc-tx4939.c @@ -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); } -- 2.20.1