From: Jean Delvare jdelvare@suse.de
commit e70d8b287301eb6d7c7761c6171c56af62110ea3 upstream.
The compatibility "eeprom" attribute is currently root-only no matter what the configuration says. The "nvmem" attribute does respect the setting of the root_only configuration bit, so do the same for "eeprom".
Signed-off-by: Jean Delvare jdelvare@suse.de Fixes: b6c217ab9be6 ("nvmem: Add backwards compatibility support for older EEPROM drivers.") Reviewed-by: Bartosz Golaszewski bgolaszewski@baylibre.com Cc: Andrew Lunn andrew@lunn.ch Cc: Srinivas Kandagatla srinivas.kandagatla@linaro.org Cc: Arnd Bergmann arnd@arndb.de Link: https://lore.kernel.org/r/20190728184255.563332e6@endymion Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/nvmem/core.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-)
--- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -415,10 +415,17 @@ static int nvmem_setup_compat(struct nvm if (!config->base_dev) return -EINVAL;
- if (nvmem->read_only) - nvmem->eeprom = bin_attr_ro_root_nvmem; - else - nvmem->eeprom = bin_attr_rw_root_nvmem; + if (nvmem->read_only) { + if (config->root_only) + nvmem->eeprom = bin_attr_ro_root_nvmem; + else + nvmem->eeprom = bin_attr_ro_nvmem; + } else { + if (config->root_only) + nvmem->eeprom = bin_attr_rw_root_nvmem; + else + nvmem->eeprom = bin_attr_rw_nvmem; + } nvmem->eeprom.attr.name = "eeprom"; nvmem->eeprom.size = nvmem->size; #ifdef CONFIG_DEBUG_LOCK_ALLOC