From: Johan Hovold <johan@kernel.org>
Date: Mon, 13 Mar 2017 12:49:45 +0000 (+0100)
Subject: watchdog: pcwd_usb: fix NULL-deref at probe
X-Git-Tag: v3.2.93~74
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95bb1ba02a18f10f8ac61b72b56a0782f39f6f91;p=pandora-kernel.git

watchdog: pcwd_usb: fix NULL-deref at probe

commit 46c319b848268dab3f0e7c4a5b6e9146d3bca8a4 upstream.

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

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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