diff options
| author | David S. Miller <davem@davemloft.net> | 2013-06-06 23:39:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-06-06 23:39:26 -0700 |
| commit | 93a306aef5eef70e524500884ccca52c5dd19e17 (patch) | |
| tree | 13baf4c01c6cc86c5b5c1294fd0b9d05c85eedce /scripts/kconfig/menu.c | |
| parent | 4df95131ea803bcb94f472d465c73ed57015c470 (diff) | |
| parent | 1612e111e4e565422242727efb59499cce8738e4 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Merge 'net' into 'net-next' to get the MSG_CMSG_COMPAT
regression fix.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'scripts/kconfig/menu.c')
| -rw-r--r-- | scripts/kconfig/menu.c | 15 |
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); } } |