Bluetooth: hci_bcm: add missing tty-device sanity check
authorJohan Hovold <johan@kernel.org>
Wed, 29 Mar 2017 16:15:27 +0000 (18:15 +0200)
committerMarcel Holtmann <marcel@holtmann.org>
Wed, 12 Apr 2017 20:02:39 +0000 (22:02 +0200)
commit95065a61e9bf25fb85295127fba893200c2bbbd8
tree9a7794d8b5862b3ad1e0a755d778170cc5448a60
parent941825e11424f00f9a76c944c16f677aadfe3515
Bluetooth: hci_bcm: add missing tty-device sanity check

Make sure to check the tty-device pointer before looking up the sibling
platform device to avoid dereferencing a NULL-pointer when the tty is
one end of a Unix98 pty.

Fixes: 0395ffc1ee05 ("Bluetooth: hci_bcm: Add PM for BCM devices")
Cc: stable <stable@vger.kernel.org> # 4.3
Cc: Frederic Danis <frederic.danis@linux.intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
drivers/bluetooth/hci_bcm.c