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Subject[PATCH AUTOSEL 5.5 125/542] netfilter: flowtable: Fix missing flush hardware on table free
Date
From: Paul Blakey <paulb@mellanox.com>

[ Upstream commit 0f34f30a1be80f3f59efeaab596396bc698e7337 ]

If entries exist when freeing a hardware offload enabled table,
we queue work for hardware while running the gc iteration.

Execute it (flush) after queueing.

Fixes: c29f74e0df7a ("netfilter: nf_flow_table: hardware offload support")
Signed-off-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/netfilter/nf_flow_table_core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/netfilter/nf_flow_table_core.c b/net/netfilter/nf_flow_table_core.c
index e33a73cb1f42e..640a46fd710d2 100644
--- a/net/netfilter/nf_flow_table_core.c
+++ b/net/netfilter/nf_flow_table_core.c
@@ -554,6 +554,7 @@ void nf_flow_table_free(struct nf_flowtable *flow_table)
cancel_delayed_work_sync(&flow_table->gc_work);
nf_flow_table_iterate(flow_table, nf_flow_table_do_cleanup, NULL);
nf_flow_table_iterate(flow_table, nf_flow_offload_gc_step, flow_table);
+ nf_flow_table_offload_flush(flow_table);
rhashtable_destroy(&flow_table->rhashtable);
}
EXPORT_SYMBOL_GPL(nf_flow_table_free);
--
2.20.1
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