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| author | Vladimir Zapolskiy <vz@mleia.com> | 2015-07-27 00:48:27 +0300 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2015-09-05 14:19:09 +0300 |
| commit | 273e03041e6d48024a57682cbf7b61510f74ec64 (patch) | |
| tree | ca4873978cd75865f423efb522b6326f41704caa | |
| parent | a3781639e148497d7381d8786aaefe9f8b7e3028 (diff) | |
| download | linux-273e03041e6d48024a57682cbf7b61510f74ec64.tar.xz | |
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>
| -rw-r--r-- | drivers/rtc/rtc-ds1305.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c index 12b07158a366..baa5d047f9c8 100644 --- a/drivers/rtc/rtc-ds1305.c +++ b/drivers/rtc/rtc-ds1305.c @@ -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); |