linux-kernel - [PATCH] kernel/stop_machine.c: Fix unused variable waring.

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Date:	Wed, 20 Oct 2010 17:04:13 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH] kernel/stop_machine.c: Fix unused variable waring.

 Fixes the following unused variable warning.

kernel/stop_machine.c: In function ‘cpu_stopper_thread’:
kernel/stop_machine.c:265: warning: unused variable ‘ksym_buf’


Signed-off-by: Rakib Mullick <rakib.mullick@...il.com>
---

--- linus-rc8/kernel/stop_machine.c	2010-10-20 16:48:16.000000000 +0600
+++ rakib-rc8/kernel/stop_machine.c	2010-10-20 16:48:35.000000000 +0600
@@ -262,7 +262,7 @@ repeat:
 		cpu_stop_fn_t fn = work->fn;
 		void *arg = work->arg;
 		struct cpu_stop_done *done = work->done;
-		char ksym_buf[KSYM_NAME_LEN];
+		char ksym_buf[KSYM_NAME_LEN] __maybe_unused;

 		__set_current_state(TASK_RUNNING);
--
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