From: Johan Hovold <johan@kernel.org>
Date: Mon, 13 Mar 2017 12:44:21 +0000 (+0100)
Subject: zd1211rw: fix NULL-deref at probe
X-Git-Tag: v3.2.92~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=795ecd95898cb238f42d4ae35ecc1253f72ca0d4;p=pandora-kernel.git

zd1211rw: fix NULL-deref at probe

commit ca260ece6a57dc7d751e0685f51fa2c55d851873 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory beyond the endpoint array should a
malicious device lack the expected endpoints.

Fixes: a1030e92c150 ("[PATCH] zd1211rw: Convert installer CDROM device into WLAN device")
Cc: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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