From: Keith Owens <kaos@sgi.com>
Date: Tue, 11 Apr 2006 05:54:07 +0000 (-0700)
Subject: [PATCH] Reinstate const in next_thread()
X-Git-Tag: v2.6.17-rc2~198
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9cdf410ca8f59b52bc7061a6751050010c7cc5b;p=linux-2.6

[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 a3e4f6b503..83d657811d 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1206,7 +1206,7 @@ extern void wait_task_inactive(task_t * p);
 /* 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);