From: Jean Delvare <jdelvare@xxxxxxx>
The integration of the at24 driver into the nvmem framework broke the
world-readability of spd EEPROMs. Fix it.
Signed-off-by: Jean Delvare <jdelvare@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 57d155506dd5 ("eeprom: at24: extend driver to plug into the NVMEM framework")
Cc: Andrew Lunn <andrew@xxxxxxx>
Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Bartosz Golaszewski <brgl@xxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
[Bartosz: backported the patch to older branches]
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
drivers/misc/eeprom/at24.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index a37b9b6a315a..2eef811764ad 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -777,7 +777,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
at24->nvmem_config.name = dev_name(&client->dev);
at24->nvmem_config.dev = &client->dev;
at24->nvmem_config.read_only = !writable;
- at24->nvmem_config.root_only = true;
+ at24->nvmem_config.root_only = !(chip.flags & AT24_FLAG_IRUGO);
at24->nvmem_config.owner = THIS_MODULE;
at24->nvmem_config.compat = true;
at24->nvmem_config.base_dev = &client->dev;
--
2.21.0
