summaryrefslogtreecommitdiff
path: root/scripts/kconfig/menu.c
diff options
context:
space:
mode:
authorArnd Bergmann <arnd@arndb.de>2013-06-20 16:41:37 +0200
committerArnd Bergmann <arnd@arndb.de>2013-06-20 16:41:37 +0200
commit0a15e0b5b9342fd7fb3f40b24872c174b0e402ea (patch)
treefcaa440936a09a29d8c7c0329a59a1b673dfcc9e /scripts/kconfig/menu.c
parent60d808ddff97071ee4c3e1d13454642f3d0e8ae1 (diff)
parent8bfdfc87dc3d00eb2f33e972b4177c36ca0e3d54 (diff)
downloadlinux-0a15e0b5b9342fd7fb3f40b24872c174b0e402ea.tar.gz
Merge tag 'omap-for-v3.11/pm-voltdomain-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
From Tony Lindgren: PM voltage domain clean-up via Kevin Hilman <khilman@linaro.org>: OMAP: PM: remove requirement for voltage domain data; remove dummy data * tag 'omap-for-v3.11/pm-voltdomain-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: AM33xx: Remove the unused voltagedomain data ARM: OMAP2+: Powerdomain: Remove the need to always have a voltdm associated to a pwrdm Includes an update to Linux 3.10-rc6. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'scripts/kconfig/menu.c')
-rw-r--r--scripts/kconfig/menu.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index b5c7d90df9df..fd3f0180e08f 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -146,11 +146,24 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
struct menu *menu = current_entry;
while ((menu = menu->parent) != NULL) {
+ struct expr *dup_expr;
+
if (!menu->visibility)
continue;
+ /*
+ * Do not add a reference to the
+ * menu's visibility expression but
+ * use a copy of it. Otherwise the
+ * expression reduction functions
+ * will modify expressions that have
+ * multiple references which can
+ * cause unwanted side effects.
+ */
+ dup_expr = expr_copy(menu->visibility);
+
prop->visible.expr
= expr_alloc_and(prop->visible.expr,
- menu->visibility);
+ dup_expr);
}
}