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authorTakashi Iwai <tiwai@suse.de>2013-06-17 10:45:28 +0200
committerTakashi Iwai <tiwai@suse.de>2013-06-17 10:45:28 +0200
commitddf753efa4f1f74cb182be6d0a6e41d72a8bf807 (patch)
treea894b94b7e36f338d5879a243d628e346060cb4a /scripts/kconfig/menu.c
parent63e51fd708f511a5989da04c669647993bc1a512 (diff)
parent36691e1be6ec551eef4a5225f126a281f8c051c2 (diff)
downloadlinux-ddf753efa4f1f74cb182be6d0a6e41d72a8bf807.tar.bz2
Merge branch 'for-linus' into for-next
* for-linus: (635 commits) ALSA: usb-audio: Fix invalid volume resolution for Logitech HD Webcam c310 ALSA: hda - Fix pin configurations for MacBook Air 4,2 ALSA: usb-audio: work around Android accessory firmware bug ALSA: hda - Headset mic support for three more machines Linux 3.10-rc6 smp.h: Use local_irq_{save,restore}() in !SMP version of on_each_cpu(). powerpc: Fix missing/delayed calls to irq_work powerpc: Fix emulation of illegal instructions on PowerNV platform powerpc: Fix stack overflow crash in resume_kernel when ftracing snd_pcm_link(): fix a leak... use can_lookup() instead of direct checks of ->i_op->lookup move exit_task_namespaces() outside of exit_notify() fput: task_work_add() can fail if the caller has passed exit_task_work() xfs: don't shutdown log recovery on validation errors xfs: ensure btree root split sets blkno correctly xfs: fix implicit padding in directory and attr CRC formats xfs: don't emit v5 superblock warnings on write mei: me: clear interrupts on the resume path mei: nfc: fix nfc device freeing mei: init: Flush scheduled work before resetting the device ...
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);
}
}