Fix sparse warning:

net/core/xdp.c:88:6: warning:
 symbol '__mem_id_disconnect' was not declared. Should it be static?

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: YueHaibing <yuehaib...@huawei.com>
---
 net/core/xdp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/xdp.c b/net/core/xdp.c
index b29d7b5..829377c 100644
--- a/net/core/xdp.c
+++ b/net/core/xdp.c
@@ -85,7 +85,7 @@ static void __xdp_mem_allocator_rcu_free(struct rcu_head *rcu)
        kfree(xa);
 }
 
-bool __mem_id_disconnect(int id, bool force)
+static bool __mem_id_disconnect(int id, bool force)
 {
        struct xdp_mem_allocator *xa;
        bool safe_to_remove = true;
-- 
2.7.4


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