From: Tilman Schmidt <tilman@imap.cc>
Date: Fri, 7 Aug 2009 03:33:33 +0000 (-0700)
Subject: tty: gigaset: really fix chars_in_buffer
X-Git-Tag: v2.6.32-rc1~627^2~78
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4304f2d5a3823deea894026ec95e43b33912357;p=pandora-kernel.git

tty: gigaset: really fix chars_in_buffer

The tty_operation chars_in_buffer() is not allowed to return a negative
value to signal an error.  Corrects the problem flagged by commit
23198fda7182969b619613a555f8645fdc3dc334, "tty: fix chars_in_buffers".

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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