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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>
Tue, 14 Mar 2017 09:07:30 +0000 (17:07 +0800)
commit1dc56c52d2484be09c7398a5207d6b11a4256be9
tree25c58e611964f67a971a199db3583dae75d3fb5etree | snapshot (tar.gz zip)
parentb0addd3fa6bcd119be9428996d5d4522479ab240commit | diff
USB: lvtest: fix NULL-deref at probe

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: stable <stable@vger.kernel.org> # 3.17
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