diff options
author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2015-01-19 11:22:55 -0500 |
---|---|---|
committer | Wolfram Sang <wsa@the-dreams.de> | 2015-01-23 23:43:44 -0500 |
commit | 2541f7f4c14e2198ed8d8c61c854b86cae238cf1 (patch) | |
tree | 0c487df83eec5c2bfc04ef3c28155109fe49a823 /drivers/i2c | |
parent | 8edba330c8692d6f2dd356d4c052f8c8c4979a5a (diff) |
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')
-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 | |||
74 | struct eeprom_data *eeprom; | 74 | struct eeprom_data *eeprom; |
75 | unsigned long flags; | 75 | unsigned long flags; |
76 | 76 | ||
77 | if (off + count >= attr->size) | 77 | if (off + count > attr->size) |
78 | return -EFBIG; | 78 | return -EFBIG; |
79 | 79 | ||
80 | eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); | 80 | 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 | |||
92 | struct eeprom_data *eeprom; | 92 | struct eeprom_data *eeprom; |
93 | unsigned long flags; | 93 | unsigned long flags; |
94 | 94 | ||
95 | if (off + count >= attr->size) | 95 | if (off + count > attr->size) |
96 | return -EFBIG; | 96 | return -EFBIG; |
97 | 97 | ||
98 | eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); | 98 | eeprom = dev_get_drvdata(container_of(kobj, struct device, kobj)); |