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tty: Convert termios_mutex to termios_rwsem
authorPeter Hurley <peter@hurleysoftware.com>
Sat, 15 Jun 2013 13:14:23 +0000 (09:14 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 23 Jul 2013 23:43:01 +0000 (16:43 -0700)
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>

No differences found
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