[PATCH 4.19 74/74] net: sched: make function qdisc_free_cb() static

From: Greg Kroah-Hartman
Date: Mon Dec 13 2021 - 04:45:59 EST


From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

commit 5362700c942b2cc4bab328361545a6d6fe649534 upstream.

Fixes the following sparse warning:

net/sched/sch_generic.c:944:6: warning:
symbol 'qdisc_free_cb' was not declared. Should it be static?

Fixes: 3a7d0d07a386 ("net: sched: extend Qdisc with rcu")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/sched/sch_generic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -958,7 +958,7 @@ void qdisc_free(struct Qdisc *qdisc)
kfree((char *) qdisc - qdisc->padded);
}

-void qdisc_free_cb(struct rcu_head *head)
+static void qdisc_free_cb(struct rcu_head *head)
{
struct Qdisc *q = container_of(head, struct Qdisc, rcu);