From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 14 Oct 2013 12:26:08 +0000 (+0200)
Subject: s390/vmlogrdr: fix array access in vmlogrdr_open()
X-Git-Tag: v3.12-rc7~14^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9784bd4f1a6ea736ad9bf241f5a965e0a2913a5e;p=pandora-kernel.git

s390/vmlogrdr: fix array access in vmlogrdr_open()

Fix check within vmlogrdr_open() if the minor address is not larger
than the number of array elements.

Found with "smatch":

drivers/s390/char/vmlogrdr.c:318 vmlogrdr_open() warn:
  buffer overflow 'sys_ser' 3 <= 3

Acked-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

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