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[media] dib0700: fix NULL-deref at probe
authorJohan Hovold <johan@kernel.org>
Mon, 13 Mar 2017 12:53:54 +0000 (09:53 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Mon, 10 Apr 2017 10:29:20 +0000 (07:29 -0300)
commitd5823511c0f8719a39e72ede1bce65411ac653b7
treea770c803b345b82c614be5d63282b69a9354f715tree | snapshot (tar.gz zip)
parentbff8ff6528bba99ca2e405dd59aaf06f0a4b5f65commit | diff
[media] dib0700: fix NULL-deref at probe

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

Fixes: c4018fa2e4c0 ("[media] dib0700: fix RC support on Hauppauge
Nova-TD")

Cc: stable <stable@vger.kernel.org> # 3.16
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/usb/dvb-usb/dib0700_core.c diff | blob | blame | history