* [PATCH v2] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()
@ 2026-06-12 6:05 wuyankun
0 siblings, 0 replies; 3+ messages in thread
From: wuyankun @ 2026-06-12 6:05 UTC (permalink / raw)
To: linux-wireless
Cc: penguin-kernel, jeff.johnson, johan, kees, linux-kernel,
sumanth.gavini, syzbot+f80c62f371ba6a1e7d79, syzkaller-bugs,
wuyankun
ath6kl_usb_create() currently creates ath6kl_wq with flags set to 0:
alloc_workqueue("ath6kl_wq", 0, 0)
This triggers a runtime warning in __alloc_workqueue() because the queue is
created with neither WQ_PERCPU nor WQ_UNBOUND set:
workqueue: ath6kl_wq is using neither WQ_PERCPU or WQ_UNBOUND.
Setting WQ_PERCPU.
Set WQ_PERCPU explicitly to match the actual execution model and remove the
warning during device probe. No functional change intended.
Fixes: 21c05ca88a54 ("workqueue: Add warnings and ensure one among WQ_PERCPU or WQ_UNBOUND is present")
Reported-by: syzbot+f80c62f371ba6a1e7d79@syzkaller.appspotmail.com
Link: https://lore.kernel.org/all/6a289c01.39669fcc.33b062.00aa.GAE@google.com/T/
Signed-off-by: wuyankun <wuyankun@uniontech.com>
---
drivers/net/wireless/ath/ath6kl/usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
index 79c18f5ee02b..945984c3dbe6 100644
--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ b/drivers/net/wireless/ath/ath6kl/usb.c
@@ -636,7 +636,7 @@ static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface)
ar_usb = kzalloc_obj(struct ath6kl_usb);
if (ar_usb == NULL)
return NULL;
- ar_usb->wq = alloc_workqueue("ath6kl_wq", 0, 0);
+ ar_usb->wq = alloc_workqueue("ath6kl_wq", WQ_PERCPU, 0);
if (!ar_usb->wq) {
kfree(ar_usb);
return NULL;
--
2.20.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v2] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()
2026-06-11 1:55 ` [PATCH v2] " wuyankun
@ 2026-06-14 22:31 ` Tejun Heo
0 siblings, 0 replies; 3+ messages in thread
From: Tejun Heo @ 2026-06-14 22:31 UTC (permalink / raw)
To: wuyankun, Tetsuo Handa, Jeff Johnson
Cc: johan, kees, linux-kernel, linux-wireless, sumanth.gavini,
syzbot+f80c62f371ba6a1e7d79, syzkaller-bugs
Applied to wq/for-7.2, thanks.
Holler if there are any concerns.
--
tejun
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v2] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create()
2026-06-10 11:00 [PATCH] " Tetsuo Handa
@ 2026-06-11 1:55 ` wuyankun
2026-06-14 22:31 ` Tejun Heo
0 siblings, 1 reply; 3+ messages in thread
From: wuyankun @ 2026-06-11 1:55 UTC (permalink / raw)
To: penguin-kernel
Cc: jeff.johnson, johan, kees, linux-kernel, linux-wireless,
sumanth.gavini, syzbot+f80c62f371ba6a1e7d79, syzkaller-bugs,
wuyankun
ath6kl_usb_create() currently creates ath6kl_wq with flags set to 0:
alloc_workqueue("ath6kl_wq", 0, 0)
This triggers a runtime warning in __alloc_workqueue() because the queue is
created with neither WQ_PERCPU nor WQ_UNBOUND set:
workqueue: ath6kl_wq is using neither WQ_PERCPU or WQ_UNBOUND.
Setting WQ_PERCPU.
Set WQ_PERCPU explicitly to match the actual execution model and remove the
warning during device probe. No functional change intended.
Fixes: 21c05ca88a54 ("workqueue: Add warnings and ensure one among WQ_PERCPU or WQ_UNBOUND is present")
Reported-by: syzbot+f80c62f371ba6a1e7d79@syzkaller.appspotmail.com
Link: https://lore.kernel.org/all/6a289c01.39669fcc.33b062.00aa.GAE@google.com/T/
Signed-off-by: wuyankun <wuyankun@uniontech.com>
---
drivers/net/wireless/ath/ath6kl/usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
index 79c18f5ee02b..945984c3dbe6 100644
--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ b/drivers/net/wireless/ath/ath6kl/usb.c
@@ -636,7 +636,7 @@ static struct ath6kl_usb *ath6kl_usb_create(struct usb_interface *interface)
ar_usb = kzalloc_obj(struct ath6kl_usb);
if (ar_usb == NULL)
return NULL;
- ar_usb->wq = alloc_workqueue("ath6kl_wq", 0, 0);
+ ar_usb->wq = alloc_workqueue("ath6kl_wq", WQ_PERCPU, 0);
if (!ar_usb->wq) {
kfree(ar_usb);
return NULL;
--
2.20.1
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-06-14 22:33 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2026-06-12 6:05 [PATCH v2] wifi: ath6kl: fix invalid workqueue flags in ath6kl_usb_create() wuyankun
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2026-06-10 11:00 [PATCH] " Tetsuo Handa
2026-06-11 1:55 ` [PATCH v2] " wuyankun
2026-06-14 22:31 ` Tejun Heo
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