diff options
| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2015-01-19 19:22:55 +0300 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2015-01-24 07:43:44 +0300 |
| commit | 2541f7f4c14e2198ed8d8c61c854b86cae238cf1 (patch) | |
| tree | 0c487df83eec5c2bfc04ef3c28155109fe49a823 /drivers/i2c/i2c-slave-eeprom.c | |
| parent | 8edba330c8692d6f2dd356d4c052f8c8c4979a5a (diff) | |
| download | linux-2541f7f4c14e2198ed8d8c61c854b86cae238cf1.tar.xz | |
i2c: slave-eeprom: fix boundary check when using sysfs
Due to a copy&paste error, the last byte of the shared memory was not
accessible via sysfs.
Reported-by: Debora Grosse <debora@mds.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/i2c-slave-eeprom.c')
| -rw-r--r-- | drivers/i2c/i2c-slave-eeprom.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-slave-eeprom.c b/drivers/i2c/i2c-slave-eeprom.c index 6631400b5f02..cf9b09db092f 100644 --- a/drivers/i2c/i2c-slave-eeprom.c +++ b/drivers/i2c/i2c-slave-eeprom.c @@ -74,7 +74,7 @@ static ssize_t i2c_slave_eeprom_bin_read(struct file *filp, struct kobject *kobj struct eeprom_data *eeprom; unsigned long flags; - if (off + count >= attr->size) + if (off + count > attr->size) return -EFBIG; eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); @@ -92,7 +92,7 @@ static ssize_t i2c_slave_eeprom_bin_write(struct file *filp, struct kobject *kob struct eeprom_data *eeprom; unsigned long flags; - if (off + count >= attr->size) + if (off + count > attr->size) return -EFBIG; eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); |