USB: serial: iuu_phoenix: fix NULL-deref at open
authorJohan Hovold <johan@kernel.org>
Tue, 3 Jan 2017 15:39:47 +0000 (16:39 +0100)
committerJohan Hovold <johan@kernel.org>
Wed, 4 Jan 2017 09:37:18 +0000 (10:37 +0100)
commit90507d54f712d81b74815ef3a4bbb555cd9fab2f
tree5aa373e1a8a5e35d6ca328d41040297726f7555c
parente35d6d7c4e6532a89732cf4bace0e910ee684c88
USB: serial: iuu_phoenix: fix NULL-deref at open

Fix NULL-pointer dereference at open should the device lack a bulk-in or
bulk-out endpoint:

Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
PC is at iuu_open+0x78/0x59c [iuu_phoenix]

Fixes: 07c3b1a10016 ("USB: remove broken usb-serial num_endpoints
check")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/iuu_phoenix.c