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Johan Hovold authored
commit 15e0c59f upstream. Make sure to check the tty-device pointer before trying to access the parent device to avoid dereferencing a NULL-pointer when the tty is one end of a Unix98 pty. Fixes: e097dc62 ("NFC: nfcmrvl: add UART driver") Cc: Vincent Cuissard <cuissard@marvell.com> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Samuel Ortiz <sameo@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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