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Diffstat (limited to 'net/core/xdp.c')
-rw-r--r--net/core/xdp.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/net/core/xdp.c b/net/core/xdp.c
index 3dd99e1c04f5..89b6785cef2a 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -98,23 +98,15 @@ static void __xdp_rxq_info_unreg_mem_model(struct xdp_rxq_info *xdp_rxq)
{
struct xdp_mem_allocator *xa;
int id = xdp_rxq->mem.id;
- int err;
if (id == 0)
return;
mutex_lock(&mem_id_lock);
- xa = rhashtable_lookup(mem_id_ht, &id, mem_id_rht_params);
- if (!xa) {
- mutex_unlock(&mem_id_lock);
- return;
- }
-
- err = rhashtable_remove_fast(mem_id_ht, &xa->node, mem_id_rht_params);
- WARN_ON(err);
-
- call_rcu(&xa->rcu, __xdp_mem_allocator_rcu_free);
+ xa = rhashtable_lookup_fast(mem_id_ht, &id, mem_id_rht_params);
+ if (xa && !rhashtable_remove_fast(mem_id_ht, &xa->node, mem_id_rht_params))
+ call_rcu(&xa->rcu, __xdp_mem_allocator_rcu_free);
mutex_unlock(&mem_id_lock);
}