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authorVladimir Zapolskiy <vz@mleia.com>2015-07-27 00:48:27 +0300
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2015-09-05 13:19:09 +0200
commit273e03041e6d48024a57682cbf7b61510f74ec64 (patch)
treeca4873978cd75865f423efb522b6326f41704caa /drivers/rtc
parenta3781639e148497d7381d8786aaefe9f8b7e3028 (diff)
downloadlinux-273e03041e6d48024a57682cbf7b61510f74ec64.tar.bz2
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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-ds1305.c18
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);