find_task_by_vpid is already exported by the kernel without any patches needed.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27953
3c298f89-4303-0410-b956-
a3cf2f4a3e73
---- a/kernel/pid.c
-+++ b/kernel/pid.c
-@@ -427,6 +427,7 @@ struct task_struct *find_task_by_vpid(pi
- {
- return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns);
- }
-+EXPORT_SYMBOL(find_task_by_vpid);
-
- struct pid *get_task_pid(struct task_struct *task, enum pid_type type)
- {
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -130,6 +130,9 @@