USB: serial: io_ti: fix NULL-deref in interrupt callback
authorJohan Hovold <johan@kernel.org>
Mon, 6 Mar 2017 16:36:37 +0000 (17:36 +0100)
committerJohan Hovold <johan@kernel.org>
Wed, 8 Mar 2017 15:14:36 +0000 (16:14 +0100)
commit0b1d250afb8eb9d65afb568bac9b9f9253a82b49
tree7afcb58437e1546ecf0cb2779b17572ae32a3862
parent2e46565cf622dd0534a9d8bffe152a577b48d7aa
USB: serial: io_ti: fix NULL-deref in interrupt callback

Fix a NULL-pointer dereference in the interrupt callback should a
malicious device send data containing a bad port number by adding the
missing sanity check.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/io_ti.c