netfilter: nf_tables: skip transaction if no update flags in tables
commit63283dd21ed2bf25a71909a820ed3e8fe412e15d
authorPablo Neira Ayuso <pablo@netfilter.org>
Fri, 27 Jun 2014 16:51:39 +0000 (27 18:51 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Mon, 30 Jun 2014 09:44:24 +0000 (30 11:44 +0200)
tree4ea57690fa3009f5737fbab3385b595f518844c1
parente940f5d6ba6a01f8dbb870854d5205d322452730
netfilter: nf_tables: skip transaction if no update flags in tables

Skip transaction handling for table updates with no changes in
the flags. This fixes a crash when passing the table flag with all
bits unset.

Reported-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_tables_api.c