From: Peter Hurley <peter@hurleysoftware.com>
Date: Wed, 5 Nov 2014 17:12:44 +0000 (-0500)
Subject: tty: Don't hold tty_lock for ldisc release
X-Git-Tag: omap-for-v3.19/fixes-rc1~86^2~193
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ee175d9d9f9be0e345f7237ee921e58f68afdd7;p=pandora-kernel.git

tty: Don't hold tty_lock for ldisc release

The tty->ldisc_sem write lock is sufficient for serializing changes
to tty->ldisc; holding the tty lock is not required.

Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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