From: Daniel Borkmann <dborkman@redhat.com>
Date: Thu, 31 Jul 2014 19:48:59 +0000 (+0200)
Subject: team: fix releasing uninitialized pointer to BPF prog
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~149^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b391ee2cae3945832011970bede35dab885879d;p=pandora-kernel.git

team: fix releasing uninitialized pointer to BPF prog

Commit 34c5bd66e5ed introduced the possibility that an
uninitialized pointer on the stack (orig_fp) can call into
sk_unattached_filter_destroy() when its value is non NULL.

Before that commit orig_fp was only destroyed in the same
block where it was assigned a valid BPF prog before. Fix it
up by initializing it to NULL.

Fixes: 34c5bd66e5ed ("net: filter: don't release unattached filter through call_rcu()")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Pablo Neira <pablo@netfilter.org>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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