kobject: Make support for uevent_helper optional.

Support for uevent_helper, aka hotplug, is not required on many systems
these days but it can still be enabled via sysfs or sysctl.

Reported-by: Darren Shepherd <darren.s.shepherd@gmail.com>
Signed-off-by: Michael Marineau <mike@marineau.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 74f5b580fe34..bc966a8ffc3e 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -643,7 +643,7 @@ static struct ctl_table kern_table[] = {
                 .extra2         = &one,
         },
 #endif
-
+#ifdef CONFIG_UEVENT_HELPER
         {
                 .procname       = "hotplug",
                 .data           = &uevent_helper,
@@ -651,7 +651,7 @@ static struct ctl_table kern_table[] = {
                 .mode           = 0644,
                 .proc_handler   = proc_dostring,
         },
-
+#endif
 #ifdef CONFIG_CHR_DEV_SG
         {
                 .procname       = "sg-big-buff",