[PATCH] kconfig: do not clear SYMBOL_DEF_USER when the value is out of range

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When a user-supplied value is out of range, (NEW) and an incorrect default
value are shown.

[Test Kconfig]

  config FOO
          int "foo"
          range 10 20

[Test .config]

  CONFIG_FOO=30

[Result without this fix]

  $ make config
  *
  * Main menu
  *
  foo (FOO) [10] (NEW)

[Result with this fix]

  $ make config
  *
  * Main menu
  *
  foo (FOO) [20]

Currently, the SYMBOL_DEF_USER is cleared if the user input does not
reside within the range. Kconfig forgets the initial value 30, and
prints (NEW) and an incorrect default [10].

Kconfig should remember the user's input. The default should be [20]
because the user's input, 30, is closer to the upper limit of the range.

Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---

 scripts/kconfig/confdata.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 4a6811d77d18..7fca9cc3ae74 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -594,7 +594,7 @@ int conf_read(const char *name)
 				/* Reset a string value if it's out of range */
 				if (sym_string_within_range(sym, sym->def[S_DEF_USER].val))
 					break;
-				sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
+				sym->flags &= ~SYMBOL_VALID;
 				conf_unsaved++;
 				break;
 			default:
-- 
2.40.1




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