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(parent: 73490ab) | 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 07:35:16 +0000 (09:35 +0200)
commita7712869e2e7cb1a5add2a8613f04e6c3647ef38
tree9caa592f05382fb509796c956c596430183d0935tree | snapshot (tar.gz zip)
parent73490abe249c238e2141f62995e2cc2d4ae392dbcommit | 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 | blame | history