[PATCH] kconfig: fix restart for choice symbols

The restart check whether new symbols became visible, didn't always work for
choice symbols.  Even if a choice symbol itself isn't changable, the childs
are.  This also requires to update the new status of all choice values, once
one of them is set.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 10d96c4..29bff43 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -380,11 +380,22 @@
 		sym->flags &= ~SYMBOL_NEW;
 		sym_set_changed(sym);
 	}
+	/*
+	 * setting a choice value also resets the new flag of the choice
+	 * symbol and all other choice values.
+	 */
 	if (sym_is_choice_value(sym) && val == yes) {
 		struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
+		struct property *prop;
+		struct expr *e;
 
 		cs->user.val = sym;
 		cs->flags &= ~SYMBOL_NEW;
+		prop = sym_get_choice_prop(cs);
+		for (e = prop->expr; e; e = e->left.expr) {
+			if (e->right.sym->visible != no)
+				e->right.sym->flags &= ~SYMBOL_NEW;
+		}
 	}
 
 	sym->user.tri = val;