2 files changed, 12 insertions, 0 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 0b624e791805..3b053c04dd86 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -16,6 +16,7 @@
 #include <linux/kexec.h>
 #include <linux/profile.h>
 #include <linux/sched.h>
+#include <linux/capability.h>
 #define KERNEL_ATTR_RO(_name) \
 static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
@@ -131,6 +132,14 @@ KERNEL_ATTR_RO(vmcoreinfo);
 #endif /* CONFIG_KEXEC */
+/* whether file capabilities are enabled */
+static ssize_t fscaps_show(struct kobject *kobj,
+                                  struct kobj_attribute *attr, char *buf)
+{
+        return sprintf(buf, "%d\n", file_caps_enabled);
+}
+KERNEL_ATTR_RO(fscaps);
 /*
 * Make /sys/kernel/notes give the raw contents of our kernel .notes section.
 */
@@ -158,6 +167,7 @@ struct kobject *kernel_kobj;
 EXPORT_SYMBOL_GPL(kernel_kobj);
 static struct attribute * kernel_attrs[] = {
+        &fscaps_attr.attr,
 #if defined(CONFIG_HOTPLUG)
        &uevent_seqnum_attr.attr,
        &uevent_helper_attr.attr,
diff --git a/kernel/sys.c b/kernel/sys.c
index f0c10385f30c..e4128b278f23 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -314,6 +314,7 @@ void kernel_restart_prepare(char *cmd)
 {
        blocking_notifier_call_chain(&reboot_notifier_list, SYS_RESTART, cmd);
        system_state = SYSTEM_RESTART;
+        usermodehelper_disable();
        device_shutdown();
        syscore_shutdown();
 }
@@ -343,6 +344,7 @@ static void kernel_shutdown_prepare(enum system_states state)
        blocking_notifier_call_chain(&reboot_notifier_list,
                (state == SYSTEM_HALT)?SYS_HALT:SYS_POWER_OFF, NULL);
        system_state = state;
+        usermodehelper_disable();
        device_shutdown();
 }
 /**