diff options
| author |   Vladimir Zapolskiy <vz@mleia.com> | 2015-07-27 00:48:36 +0300 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-09-05 13:19:10 +0200 |
| commit | 824625d3926f0caf4753426d2b24a8fc08a406c8 (patch) | |
| tree | b5b9fa72fb65f28464c007243ab3759648f85e36 /drivers/rtc/rtc-tx4939.c | |
| parent | rtc: stk17ta8: clean up stk17ta8_nvram_read()/stk17ta8_nvram_write() (diff) | |
| download | linux-dev-824625d3926f0caf4753426d2b24a8fc08a406c8.tar.xz linux-dev-824625d3926f0caf4753426d2b24a8fc08a406c8.zip | |
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 <vz@mleia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-tx4939.c')
| -rw-r--r-- | drivers/rtc/rtc-tx4939.c | 6 |
1 files 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); } |