diff options
Diffstat (limited to 'nixos/modules/system/boot/kernel_config.nix')
| -rw-r--r-- | nixos/modules/system/boot/kernel_config.nix | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/nixos/modules/system/boot/kernel_config.nix b/nixos/modules/system/boot/kernel_config.nix index 31e9ec626ca6..e618070f0dc3 100644 --- a/nixos/modules/system/boot/kernel_config.nix +++ b/nixos/modules/system/boot/kernel_config.nix @@ -70,11 +70,10 @@ let let val = if item.freeform != null then item.freeform else item.tristate; in - if val == null - then "" - else if (item.optional) + optionalString (val != null) + (if (item.optional) then "${key}? ${mkValue val}\n" - else "${key} ${mkValue val}\n"; + else "${key} ${mkValue val}\n"); mkConf = cfg: concatStrings (mapAttrsToList mkConfigLine cfg); in mkConf exprs; |