diff options
| author |   Vladimir Zapolskiy <vz@mleia.com> | 2015-07-27 00:48:26 +0300 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-09-05 13:19:09 +0200 |
| commit | a3781639e148497d7381d8786aaefe9f8b7e3028 (patch) | |
| tree | 94e5af36cdd5a57bceb5f91d8c038b23dd584272 /drivers/rtc | |
| parent | rtc: cmos: century support (diff) | |
| download | linux-dev-a3781639e148497d7381d8786aaefe9f8b7e3028.tar.xz linux-dev-a3781639e148497d7381d8786aaefe9f8b7e3028.zip | |
rtc: cmos: clean up cmos_nvram_read()/cmos_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')
| -rw-r--r-- | drivers/rtc/rtc-cmos.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index c2e90c62a59c..8f7034ba7d9e 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -467,13 +467,6 @@ cmos_nvram_read(struct file *filp, struct kobject *kobj, { int retval; - if (unlikely(off >= attr->size)) - return 0; - if (unlikely(off < 0)) - return -EINVAL; - if ((off + count) > attr->size) - count = attr->size - off; - off += NVRAM_OFFSET; spin_lock_irq(&rtc_lock); for (retval = 0; count; count--, off++, retval++) { @@ -498,12 +491,6 @@ cmos_nvram_write(struct file *filp, struct kobject *kobj, int retval; cmos = dev_get_drvdata(container_of(kobj, struct device, kobj)); - if (unlikely(off >= attr->size)) - return -EFBIG; - if (unlikely(off < 0)) - return -EINVAL; - if ((off + count) > attr->size) - count = attr->size - off; /* NOTE: on at least PCs and Ataris, the boot firmware uses a * checksum on part of the NVRAM data. That's currently ignored |