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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-06-13 04:01:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-16 14:23:42 +0300 |
| commit | a118e0d82bb4b7760db8f704c05e2b8713b9bcc1 (patch) | |
| tree | 431bf8ccc3cbe124c93b7e0132bc468360dc4db8 /net | |
| parent | 746523b4a3927fb922c82a6e997c4d1ba74c7f13 (diff) | |
| download | linux-a118e0d82bb4b7760db8f704c05e2b8713b9bcc1.tar.xz | |
netfilter: nf_tables: bogus EBUSY when deleting flowtable after flush (for 4.19)
3f0465a9ef02 ("netfilter: nf_tables: dynamically allocate hooks per
net_device in flowtables") reworks flowtable support to allow for
dynamic allocation of hooks, which implicitly fixes the following
bogus EBUSY in transaction:
delete flowtable
add flowtable # same flowtable with same devices, it hits EBUSY
This patch does not exist in any tree, but it fixes this issue for
-stable Linux kernel 4.19
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index d7993ac8222d..bac994847327 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -5956,6 +5956,9 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk, continue; list_for_each_entry(ft, &table->flowtables, list) { + if (!nft_is_active_next(net, ft)) + continue; + for (k = 0; k < ft->ops_len; k++) { if (!ft->ops[k].dev) continue; |