linux-kernel - [PATCH] Remove redundant up() in stop

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Date:	Wed, 23 Aug 2006 16:31:27 +0800
From:	"Zhou Yingchao" <yingchao.zhou@...il.com>
To:	torvalds@...l.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] Remove redundant up() in stop_machine(2.6.18-rc4)

    An up() is called in kernel/stop_machine.c on failure, and also in
the caller unconditionally. I have reported, but now it is still
there.

--- kernel/stop_machine.c.orig	2006-08-23 14:53:36.000000000 +0800
+++ kernel/stop_machine.c	2006-08-23 14:53:55.000000000 +0800
@@ -111,7 +111,6 @@ static int stop_machine(void)
 	/* If some failed, kill them all. */
 	if (ret < 0) {
 		stopmachine_set_state(STOPMACHINE_EXIT);
-		up(&stopmachine_mutex);
 		return ret;
 	}
-
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