diff options
| author | JingPiao Chen <chenjingpiao@gmail.com> | 2017-09-23 11:10:44 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2017-09-29 13:34:36 +0200 |
| commit | 0d18779be13766b33c69cbc26df38383598da373 (patch) | |
| tree | 6bc2822d3aab912562efd4ba3026b0fd9902760e /net | |
| parent | netfilter: ipset: Fix race between dump and swap (diff) | |
| download | linux-0d18779be13766b33c69cbc26df38383598da373.tar.xz linux-0d18779be13766b33c69cbc26df38383598da373.zip | |
netfilter: nf_tables: fix update chain error
# nft add table filter
# nft add chain filter c1
# nft rename chain filter c1 c2
Error: Could not process rule: No such file or directory
rename chain filter c1 c2
^^^^^^^^^^^^^^^^^^^^^^^^^^
# nft add chain filter c2
# nft rename chain filter c1 c2
# nft list table filter
table ip filter {
chain c2 {
}
chain c2 {
}
}
Fixes: 664b0f8cd8 ("netfilter: nf_tables: add generation mask to chains")
Signed-off-by: JingPiao Chen <chenjingpiao@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 929927171426..f98ca8c6aa59 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -1487,8 +1487,8 @@ static int nf_tables_updchain(struct nft_ctx *ctx, u8 genmask, u8 policy, chain2 = nf_tables_chain_lookup(table, nla[NFTA_CHAIN_NAME], genmask); - if (IS_ERR(chain2)) - return PTR_ERR(chain2); + if (!IS_ERR(chain2)) + return -EEXIST; } if (nla[NFTA_CHAIN_COUNTERS]) { |