diff options
author | Vladimir Zapolskiy <vz@mleia.com> | 2015-07-26 17:48:32 -0400 |
---|---|---|
committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-09-05 07:19:10 -0400 |
commit | c472d7ded2dfbe7da29531a9c9e6b951e5658605 (patch) | |
tree | b0e8d8f344ca4241f050d7d787b8ed700ab4456f /drivers/rtc/rtc-ds1742.c | |
parent | a9118d77b3be366c4843446d671a52ccfddcc15c (diff) |
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: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc/rtc-ds1742.c')
-rw-r--r-- | drivers/rtc/rtc-ds1742.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c index 0f8d8ace1515..c5168b3bcf1a 100644 --- a/drivers/rtc/rtc-ds1742.c +++ b/drivers/rtc/rtc-ds1742.c | |||
@@ -134,7 +134,7 @@ static ssize_t ds1742_nvram_read(struct file *filp, struct kobject *kobj, | |||
134 | void __iomem *ioaddr = pdata->ioaddr_nvram; | 134 | void __iomem *ioaddr = pdata->ioaddr_nvram; |
135 | ssize_t count; | 135 | ssize_t count; |
136 | 136 | ||
137 | for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--) | 137 | for (count = 0; count < size; count++) |
138 | *buf++ = readb(ioaddr + pos++); | 138 | *buf++ = readb(ioaddr + pos++); |
139 | return count; | 139 | return count; |
140 | } | 140 | } |
@@ -149,7 +149,7 @@ static ssize_t ds1742_nvram_write(struct file *filp, struct kobject *kobj, | |||
149 | void __iomem *ioaddr = pdata->ioaddr_nvram; | 149 | void __iomem *ioaddr = pdata->ioaddr_nvram; |
150 | ssize_t count; | 150 | ssize_t count; |
151 | 151 | ||
152 | for (count = 0; size > 0 && pos < pdata->size_nvram; count++, size--) | 152 | for (count = 0; count < size; count++) |
153 | writeb(*buf++, ioaddr + pos++); | 153 | writeb(*buf++, ioaddr + pos++); |
154 | return count; | 154 | return count; |
155 | } | 155 | } |