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 <[email protected]> Signed-off-by: Wolfram Sang <[email protected]> Acked-by: Laurent Pinchart <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
vieko · Jan 24, 2015 · 2541f7f · 2541f7f
1 parent 8edba33
commit 2541f7f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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));