From e03ba84adb62fbc6049325a5bc00ef6932fa5e39 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sat, 1 Dec 2007 00:03:52 +1100
Subject: [PATCH] [TEXTSEARCH]: Do not allow zero length patterns in the
 textsearch infrastructure

If a zero length pattern is passed then return EINVAL.
Avoids infinite loops (bm) or invalid memory accesses (kmp).

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
Reading git-format-patch failed