linux-kernel - [PATCH] pid: remove redundant condition

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Message-Id: <1333692989-9230-1-git-send-email-kernelfans@gmail.com>
Date:	Fri,  6 Apr 2012 14:16:29 +0800
From:	Liu Ping Fan <kernelfans@...il.com>
To:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH] pid: remove redundant condition

From: Liu Ping Fan <pingfank@...ux.vnet.ibm.com>

Signed-off-by: Liu Ping Fan <pingfank@...ux.vnet.ibm.com>
---
 kernel/pid.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/pid.c b/kernel/pid.c
index 9f08dfa..e4ca244 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -248,8 +248,7 @@ void put_pid(struct pid *pid)
 		return;
 
 	ns = pid->numbers[pid->level].ns;
-	if ((atomic_read(&pid->count) == 1) ||
-	     atomic_dec_and_test(&pid->count)) {
+	if (atomic_dec_and_test(&pid->count) {
 		kmem_cache_free(ns->pid_cachep, pid);
 		put_pid_ns(ns);
 	}
-- 
1.7.4.4

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