[PATCH 1/2] net: atm: pppoatm: use tasklet_init to initialize wakeup tasklet
From: Emil Renner Berthing <kernel@esmil.dk>
Date: 2021-01-27 17:38:19
Also in:
lkml
Subsystem:
atm, networking [general], ppp over atm (rfc 2364), the rest · Maintainers:
Chas Williams, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Mitchell Blank Jr, Linus Torvalds
Previously a temporary tasklet structure was initialized on the stack using DECLARE_TASKLET_OLD() and then copied over and modified. Nothing else in the kernel seems to use this pattern, so let's just call tasklet_init() like everyone else. Signed-off-by: Emil Renner Berthing <kernel@esmil.dk> --- net/atm/pppoatm.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index 579b66da1d95..5f06af098390 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c@@ -389,11 +389,7 @@ static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg) struct atm_backend_ppp be; struct pppoatm_vcc *pvcc; int err; - /* - * Each PPPoATM instance has its own tasklet - this is just a - * prototypical one used to initialize them - */ - static const DECLARE_TASKLET_OLD(tasklet_proto, pppoatm_wakeup_sender); + if (copy_from_user(&be, arg, sizeof be)) return -EFAULT; if (be.encaps != PPPOATM_ENCAPS_AUTODETECT &&
@@ -415,8 +411,8 @@ static int pppoatm_assign_vcc(struct atm_vcc *atmvcc, void __user *arg) pvcc->chan.ops = &pppoatm_ops; pvcc->chan.mtu = atmvcc->qos.txtp.max_sdu - PPP_HDRLEN - (be.encaps == e_vc ? 0 : LLC_LEN); - pvcc->wakeup_tasklet = tasklet_proto; - pvcc->wakeup_tasklet.data = (unsigned long) &pvcc->chan; + tasklet_init(&pvcc->wakeup_tasklet, pppoatm_wakeup_sender, + (unsigned long)&pvcc->chan); err = ppp_register_channel(&pvcc->chan); if (err != 0) { kfree(pvcc);
--
2.30.0