USB: serial: spcp8x5: fix NULL-deref at open
authorJohan Hovold <johan@kernel.org>
Tue, 3 Jan 2017 15:40:02 +0000 (16:40 +0100)
committerJohan Hovold <johan@kernel.org>
Wed, 4 Jan 2017 09:43:57 +0000 (10:43 +0100)
commitcc0909248258f679c4bb4cd315565d40abaf6bc6
tree57faa1bd5e322b6d7f50d1ccbb1dd1671643f13e
parentf09d1886a41e9063b43da493ef0e845ac8afd2fa
USB: serial: spcp8x5: fix NULL-deref at open

Fix NULL-pointer dereference in open() should the device lack the
expected endpoints:

Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
PC is at spcp8x5_open+0x30/0xd0 [spcp8x5]

Fixes: 619a6f1d1423 ("USB: add usb-serial spcp8x5 driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
drivers/usb/serial/spcp8x5.c