linux-kernel - [PATCH] fork.c: cleanup for copy

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Message-ID: <490AC707.1060808@cn.fujitsu.com>
Date:	Fri, 31 Oct 2008 16:51:19 +0800
From:	Zhaolei <zhaolei@...fujitsu.com>
To:	linux-kernel@...r.kernel.org
CC:	akpm@...ux-foundation.org
Subject: [PATCH] fork.c: cleanup for copy_sighand()

Check CLONE_SIGHAND only is enough, because combination of CLONE_THREAD and
CLONE_SIGHAND is already done in copy_process().

Impact: cleanup, no functionality changed

Signed-off-by: Zhao Lei <zhaolei@...fujitsu.com>
---
 kernel/fork.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index f608356..36a0dac 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -741,7 +741,7 @@ static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk)
 {
 	struct sighand_struct *sig;
 
-	if (clone_flags & (CLONE_SIGHAND | CLONE_THREAD)) {
+	if (clone_flags & CLONE_SIGHAND) {
 		atomic_inc(&current->sighand->count);
 		return 0;
 	}
-- 
1.5.5.3


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