tty: core: Add helper fn to deref tty driver name

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Similar to tty_name(), add tty_driver_name() helper to safely
dereference tty->driver->name (otherwise return empty string).

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

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Peter Hurley 2015-11-08 13:01:12 -05:00 • committed by Greg Kroah-Hartman

parent 25080652a2

commit 0a083eddae

2 changed files with 8 additions and 0 deletions

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7

drivers/tty/tty_io.c

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1

include/linux/tty.h

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