misc: ds1682: clean up ds1682_eeprom_read() and ds1682_eeprom_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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/ds1682.c

@@ -148,12 +148,6 @@ static ssize_t ds1682_eeprom_read(struct file *filp, struct kobject *kobj,
 	dev_dbg(&client->dev, "ds1682_eeprom_read(p=%p, off=%lli, c=%zi)\n",
 		buf, off, count);
 
-	if (off >= DS1682_EEPROM_SIZE)
-		return 0;
-
-	if (off + count > DS1682_EEPROM_SIZE)
-		count = DS1682_EEPROM_SIZE - off;
-
 	rc = i2c_smbus_read_i2c_block_data(client, DS1682_REG_EEPROM + off,
 					   count, buf);
 	if (rc < 0)
@@ -171,12 +165,6 @@ static ssize_t ds1682_eeprom_write(struct file *filp, struct kobject *kobj,
 	dev_dbg(&client->dev, "ds1682_eeprom_write(p=%p, off=%lli, c=%zi)\n",
 		buf, off, count);
 
-	if (off >= DS1682_EEPROM_SIZE)
-		return -ENOSPC;
-
-	if (off + count > DS1682_EEPROM_SIZE)
-		count = DS1682_EEPROM_SIZE - off;
-
 	/* Write out to the device */
 	if (i2c_smbus_write_i2c_block_data(client, DS1682_REG_EEPROM + off,
 					   count, buf) < 0)