From: Tilman Schmidt <tilman@imap.cc>
Date: Mon, 21 Jan 2013 11:57:21 +0000 (+0000)
Subject: isdn/gigaset: fix zero size border case in debug dump
X-Git-Tag: v3.8-rc6~20^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d721a1752ba544df8d7d36959038b26bc92bdf80;p=pandora-kernel.git

isdn/gigaset: fix zero size border case in debug dump

If subtracting 12 from l leaves zero we'd do a zero size allocation,
leading to an oops later when we try to set the NUL terminator.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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