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rtc: ds1305: clean up ds1305_nvram_read()/ds1305_nvram_write() 

The change removes redundant sysfs binary file boundary checks, since
this task is already done on caller size in fs/sysfs/file.c

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Vladimir Zapolskiy 2015-07-27 00:48:27 +03:00 committed by Alexandre Belloni
parent a3781639e1
commit 273e03041e
1 changed files with 0 additions and 18 deletions
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18
drivers/rtc/rtc-ds1305.c
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@ -538,15 +538,6 @@ ds1305_nvram_read(struct file *filp, struct kobject *kobj,
spi = container_of(kobj, struct spi_device, dev.kobj);
if (unlikely(off >= DS1305_NVRAM_LEN))
return 0;
if (count >= DS1305_NVRAM_LEN)
count = DS1305_NVRAM_LEN;
if ((off + count) > DS1305_NVRAM_LEN)
count = DS1305_NVRAM_LEN - off;
if (unlikely(!count))
return count;
addr = DS1305_NVRAM + off;
msg_init(&m, x, &addr, count, NULL, buf);
@ -569,15 +560,6 @@ ds1305_nvram_write(struct file *filp, struct kobject *kobj,
spi = container_of(kobj, struct spi_device, dev.kobj);
if (unlikely(off >= DS1305_NVRAM_LEN))
return -EFBIG;
if (count >= DS1305_NVRAM_LEN)
count = DS1305_NVRAM_LEN;
if ((off + count) > DS1305_NVRAM_LEN)
count = DS1305_NVRAM_LEN - off;
if (unlikely(!count))
return count;
addr = (DS1305_WRITE | DS1305_NVRAM) + off;
msg_init(&m, x, &addr, count, buf, NULL);