From d45eb81c3e345fabaf27ef3ab437b85c0bf9fafa Mon Sep 17 00:00:00 2001
From: Denis Joseph Barrow <D.Barrow@option.com>
Date: Thu, 15 Jan 2009 13:31:24 +0000
Subject: [PATCH] tty: Fix double grabbing of a spinlock

The HSO changes for kref introduced a recursive spinlock take. All
functions which call put_rxbuf_data already have serial->serial_lock
grabbed.

[Comment to code added-AC]

Signed-off-by: Denis Joseph Barrow <D.Barrow@option.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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