linux-kernel - [128/139] sched: Use proper type in sched

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Date:	Thu, 22 Apr 2010 12:55:05 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	travis@....com, peterz@...radead.org, drepper@...hat.com,
	rja@....com, sharyath@...ibm.com, steiner@....com,
	Ingo Molnar <mingo@...e.hu>
Subject: [128/139] sched: Use proper type in sched_getaffinity()

2.6.33-stable review patch.  If anyone has any objections, please let us know.

------------------

From: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>

commit 8bc037fb89bb3104b9ae290d18c877624cd7d9cc upstream.

Using the proper type fixes the following compiler warning:

  kernel/sched.c:4850: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc: torvalds@...ux-foundation.org
Cc: travis@....com
Cc: peterz@...radead.org
Cc: drepper@...hat.com
Cc: rja@....com
Cc: sharyath@...ibm.com
Cc: steiner@....com
LKML-Reference: <20100317090046.4C79.A69D9226@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 kernel/sched.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -6727,7 +6727,7 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t
 
 	ret = sched_getaffinity(pid, mask);
 	if (ret == 0) {
-		int retlen = min(len, cpumask_size());
+		size_t retlen = min_t(size_t, len, cpumask_size());
 
 		if (copy_to_user(user_mask_ptr, mask, retlen))
 			ret = -EFAULT;


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