[PATCH 6/8] net: sched: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:52:32 EST


From: Allen Pais <allen.lkml@xxxxxxxxx>

In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.

Signed-off-by: Romain Perier <romain.perier@xxxxxxxxx>
Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
---
net/sched/sch_atm.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 1c281cc81f57..0a4452178d5d 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -466,10 +466,11 @@ drop: __maybe_unused
* non-ATM interfaces.
*/

-static void sch_atm_dequeue(unsigned long data)
+static void sch_atm_dequeue(struct tasklet_struct *t)
{
- struct Qdisc *sch = (struct Qdisc *)data;
- struct atm_qdisc_data *p = qdisc_priv(sch);
+ struct atm_qdisc_data *p = from_tasklet(p, t, task);
+ struct Qdisc *sch = (struct Qdisc *)((char *) p -
+ QDISC_ALIGN(sizeof(struct Qdisc)));
struct atm_flow_data *flow;
struct sk_buff *skb;

@@ -563,7 +564,7 @@ static int atm_tc_init(struct Qdisc *sch, struct nlattr *opt,
if (err)
return err;

- tasklet_init(&p->task, sch_atm_dequeue, (unsigned long)sch);
+ tasklet_setup(&p->task, sch_atm_dequeue);
return 0;
}

--
2.17.1