diff -urN linux-2.6.19.ref/lib/kobject_uevent.c linux-2.6.19/lib/kobject_uevent.c
--- linux-2.6.19.ref/lib/kobject_uevent.c	2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.19/lib/kobject_uevent.c	2006-12-04 21:33:48.000000000 +0100
@@ -29,6 +29,7 @@
 u64 uevent_seqnum;
 char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
 static DEFINE_SPINLOCK(sequence_lock);
+EXPORT_SYMBOL(uevent_helper);
 #if defined(CONFIG_NET)
 static struct sock *uevent_sock;
 #endif