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(parent: e494271) | patch
USB: lvtest: fix NULL-deref at probe
authorJohan Hovold <johan@kernel.org>
Mon, 13 Mar 2017 12:47:49 +0000 (13:47 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Mar 2017 07:41:24 +0000 (09:41 +0200)
commit21e0621e3cd7d046715c1cbcbe70ecd34ddd5208
treeb6e3315c3c99ba8841125e293c40e0f18cdcea46tree | snapshot
parente4942716bb78231e29944bc89dc8a0ee42d07748commit | diff
USB: lvtest: fix NULL-deref at probe

commit 1dc56c52d2484be09c7398a5207d6b11a4256be9 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should the probed device lack endpoints.

Note that this driver does not bind to any devices by default.

Fixes: ce21bfe603b3 ("USB: Add LVS Test device driver")
Cc: Pratyush Anand <pratyush.anand@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/misc/lvstest.c diff | blob | history