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-rw-r--r--net/netfilter/nf_flow_table_offload.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/netfilter/nf_flow_table_offload.c b/net/netfilter/nf_flow_table_offload.c
index e3b099c14eff..3d4ca62c81f9 100644
--- a/net/netfilter/nf_flow_table_offload.c
+++ b/net/netfilter/nf_flow_table_offload.c
@@ -817,6 +817,7 @@ static void flow_offload_work_handler(struct work_struct *work)
WARN_ON_ONCE(1);
}
+ clear_bit(NF_FLOW_HW_PENDING, &offload->flow->flags);
kfree(offload);
}
@@ -831,9 +832,14 @@ nf_flow_offload_work_alloc(struct nf_flowtable *flowtable,
{
struct flow_offload_work *offload;
+ if (test_and_set_bit(NF_FLOW_HW_PENDING, &flow->flags))
+ return NULL;
+
offload = kmalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
- if (!offload)
+ if (!offload) {
+ clear_bit(NF_FLOW_HW_PENDING, &flow->flags);
return NULL;
+ }
offload->cmd = cmd;
offload->flow = flow;