From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 15 Jun 2013 13:14:23 +0000 (-0400)
Subject: tty: Convert termios_mutex to termios_rwsem
X-Git-Tag: v3.12-rc1~182^2~211
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6a1c0680cf3ba94356ecd58833e1540c93472a57;p=pandora-kernel.git

tty: Convert termios_mutex to termios_rwsem

termios is commonly accessed unsafely (especially by N_TTY)
because the existing mutex forces exclusive access.
Convert existing usage.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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