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From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>
Subject: [PULL] lockdep patches
Date: Wed, 22 Jul 2009 21:28:01 +0200	[thread overview]
Message-ID: <1248290881.4711.6.camel@laptop> (raw)

Linus,

Please pull these lockdep patches from:

  ssh://master.kernel.org/pub/scm/linux/kernel/git/peterz/linux-2.6-lockdep.git lockdep-for-linus

Thanks,

  Peter

---
Peter Zijlstra (1):
      lockdep: Fix lockdep annotation for pipe_double_lock()

 fs/pipe.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/pipe.c b/fs/pipe.c
index f7dd21a..52c4151 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -68,8 +68,8 @@ void pipe_double_lock(struct pipe_inode_info *pipe1,
 		pipe_lock_nested(pipe1, I_MUTEX_PARENT);
 		pipe_lock_nested(pipe2, I_MUTEX_CHILD);
 	} else {
-		pipe_lock_nested(pipe2, I_MUTEX_CHILD);
-		pipe_lock_nested(pipe1, I_MUTEX_PARENT);
+		pipe_lock_nested(pipe2, I_MUTEX_PARENT);
+		pipe_lock_nested(pipe1, I_MUTEX_CHILD);
 	}
 }
 



                 reply	other threads:[~2009-07-22 19:28 UTC|newest]

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