linux-kernel - [PATCH] LOCKDEP: minor fix for debug_show_all

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Date:	Tue, 28 Oct 2008 04:03:52 +0800
From:	sniper <s3c24xx@...il.com>
To:	mingo@...hat.com, peterz@...radead.org
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] LOCKDEP: minor fix for debug_show_all_locks()

When we failed to get tasklist_lock eventually (count equals 0),
we should only print " ignoring it.\n", and not print
" locked it.\n" needlessly.

Signed-off-by: Qinghuang Feng <qhfeng.kernel@...il.com>
---
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index dbda475..12bf812 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3417,10 +3417,12 @@ retry:
 		}
 		printk(" ignoring it.\n");
 		unlock = 0;
+		goto print_locks;
 	}
 	if (count != 10)
 		printk(" locked it.\n");

+print_locks:
 	do_each_thread(g, p) {
 		/*
 		 * It's not reliable to print a task's held locks
--
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