[PATCH 2/8] net: ipv4: convert tasklets to use new tasklet_setup() API

From: Allen Pais
Date: Mon Aug 17 2020 - 04:51:51 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/ipv4/tcp_output.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 85ff417bda7f..6afad9b407a1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -883,9 +883,9 @@ static void tcp_tsq_handler(struct sock *sk)
* transferring tsq->head because tcp_wfree() might
* interrupt us (non NAPI drivers)
*/
-static void tcp_tasklet_func(unsigned long data)
+static void tcp_tasklet_func(struct tasklet_struct *t)
{
- struct tsq_tasklet *tsq = (struct tsq_tasklet *)data;
+ struct tsq_tasklet *tsq = from_tasklet(tsq, t, tasklet);
LIST_HEAD(list);
unsigned long flags;
struct list_head *q, *n;
@@ -970,9 +970,7 @@ void __init tcp_tasklet_init(void)
struct tsq_tasklet *tsq = &per_cpu(tsq_tasklet, i);

INIT_LIST_HEAD(&tsq->head);
- tasklet_init(&tsq->tasklet,
- tcp_tasklet_func,
- (unsigned long)tsq);
+ tasklet_setup(&tsq->tasklet, tcp_tasklet_func);
}
}

--
2.17.1