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Commit ca7c14d3 authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Alexandre Belloni
Browse files

rtc: ds1307: clean up ds1307_nvram_read()/ds1307_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: default avatarVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 273e0304

drivers/rtc/rtc-ds1307.c

+0 −14
Original line number Diff line number Diff line
@@ -782,13 +782,6 @@ ds1307_nvram_read(struct file *filp, struct kobject *kobj, 
	client = kobj_to_i2c_client(kobj);

	ds1307 = i2c_get_clientdata(client);



	if (unlikely(off >= ds1307->nvram->size))

		return 0;

	if ((off + count) > ds1307->nvram->size)

		count = ds1307->nvram->size - off;

	if (unlikely(!count))

		return count;



	result = ds1307->read_block_data(client, ds1307->nvram_offset + off,

								count, buf);

	if (result < 0)
@@ -808,13 +801,6 @@ ds1307_nvram_write(struct file *filp, struct kobject *kobj, 
	client = kobj_to_i2c_client(kobj);

	ds1307 = i2c_get_clientdata(client);



	if (unlikely(off >= ds1307->nvram->size))

		return -EFBIG;

	if ((off + count) > ds1307->nvram->size)

		count = ds1307->nvram->size - off;

	if (unlikely(!count))

		return count;



	result = ds1307->write_block_data(client, ds1307->nvram_offset + off,

								count, buf);

	if (result < 0) {