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tty: Handle NULL tty->ldisc
authorPeter Hurley <peter@hurleysoftware.com>
Mon, 11 Jan 2016 06:41:02 +0000 (22:41 -0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Jan 2016 23:01:44 +0000 (15:01 -0800)
commita570a49abd343102ce681bbf8273897c3c9fd2d1
treeae0fb349f31a88ab6074bdf9c791a03680697bdftree
parente55afd11a48354c810caf6b6ad4c103016a88230commit | diff
tty: Handle NULL tty->ldisc

In preparation of destroying line discipline on hangup, fix
ldisc core operations to properly handle when the tty's ldisc is
NULL.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/tty_ldisc.c diff | blob | blame | history
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