diff mbox series

xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls

Message ID 2d6c2e031e4aa2acf2ac4e0bbbc17cfdcc8dbee2.1634236560.git.christophe.jaillet@wanadoo.fr (mailing list archive)
State Accepted
Commit c43d466c622b586b1923782ec521cea691369076
Headers show
Series xen/pvcalls-back: Remove redundant 'flush_workqueue()' calls | expand

Commit Message

Christophe JAILLET Oct. 14, 2021, 6:37 p.m. UTC
'destroy_workqueue()' already drains the queue before destroying it, so
there is no need to flush it explicitly.

Remove the redundant 'flush_workqueue()' calls.

This was generated with coccinelle:

@@
expression E;
@@
- 	flush_workqueue(E);
	destroy_workqueue(E);

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/xen/pvcalls-back.c | 1 -
 1 file changed, 1 deletion(-)

Comments

Boris Ostrovsky Oct. 27, 2021, 1:20 p.m. UTC | #1
On 10/14/21 3:42 PM, Stefano Stabellini wrote:
> On Thu, 14 Oct 2021, Christophe JAILLET wrote:
>> 'destroy_workqueue()' already drains the queue before destroying it, so
>> there is no need to flush it explicitly.
>>
>> Remove the redundant 'flush_workqueue()' calls.
>>
>> This was generated with coccinelle:
>>
>> @@
>> expression E;
>> @@
>> - 	flush_workqueue(E);
>> 	destroy_workqueue(E);
>>
>> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> Acked-by: Stefano Stabellini <sstabellini@kernel.org>
>

Applied to for-linus-5.16


-boris
diff mbox series

Patch

diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index b47fd8435061..d6f945fd4147 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -465,7 +465,6 @@  static int pvcalls_back_release_passive(struct xenbus_device *dev,
 		write_unlock_bh(&mappass->sock->sk->sk_callback_lock);
 	}
 	sock_release(mappass->sock);
-	flush_workqueue(mappass->wq);
 	destroy_workqueue(mappass->wq);
 	kfree(mappass);