[PATCH] Reinstate const in next_thread()
Before commit 47e65328a7b1cdfc4e3102e50d60faf94ebba7d3, next_thread() took
a const task_t. Reinstate the const qualifier, getting the next thread
never changes the current thread.
Signed-off-by: Keith Owens <kaos@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/sched.h b/include/linux/sched.h
index a3e4f6b..83d6578 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1206,7 +1206,7 @@
/* de_thread depends on thread_group_leader not being a pid based check */
#define thread_group_leader(p) (p == p->group_leader)
-static inline task_t *next_thread(task_t *p)
+static inline task_t *next_thread(const task_t *p)
{
return list_entry(rcu_dereference(p->thread_group.next),
task_t, thread_group);