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* [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler
@ 2020-10-28 12:25 Zhang Qilong
  2020-10-29  7:21 ` Bernard Metzler
  2020-11-02 19:28 ` Jason Gunthorpe
  0 siblings, 2 replies; 3+ messages in thread
From: Zhang Qilong @ 2020-10-28 12:25 UTC (permalink / raw)
  To: bmt, dledford, jgg; +Cc: linux-rdma

The rv cannot be 'EAGAIN' in the previous path, we
should use '-EAGAIN' to check it. For example:

Call trace:
->siw_cm_work_handler
	->siw_proc_mpareq
		->siw_recv_mpa_rr

Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
---
 drivers/infiniband/sw/siw/siw_cm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 66764f7ef072..1f9e15b71504 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -1047,7 +1047,7 @@ static void siw_cm_work_handler(struct work_struct *w)
 					    cep->state);
 			}
 		}
-		if (rv && rv != EAGAIN)
+		if (rv && rv != -EAGAIN)
 			release_cep = 1;
 		break;
 
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler
  2020-10-28 12:25 [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler Zhang Qilong
@ 2020-10-29  7:21 ` Bernard Metzler
  2020-11-02 19:28 ` Jason Gunthorpe
  1 sibling, 0 replies; 3+ messages in thread
From: Bernard Metzler @ 2020-10-29  7:21 UTC (permalink / raw)
  To: Zhang Qilong; +Cc: dledford, jgg, linux-rdma

-----"Zhang Qilong" <zhangqilong3@huawei.com> wrote: -----

>To: <bmt@zurich.ibm.com>, <dledford@redhat.com>, <jgg@ziepe.ca>
>From: "Zhang Qilong" <zhangqilong3@huawei.com>
>Date: 10/28/2020 10:44PM
>Cc: <linux-rdma@vger.kernel.org>
>Subject: [EXTERNAL] [PATCH] RDMA/siw: fix wrong judgment in
>siw_cm_work_handler
>
>The rv cannot be 'EAGAIN' in the previous path, we
>should use '-EAGAIN' to check it. For example:
>
>Call trace:
>->siw_cm_work_handler
>	->siw_proc_mpareq
>		->siw_recv_mpa_rr
>
>Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
>---
> drivers/infiniband/sw/siw/siw_cm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/drivers/infiniband/sw/siw/siw_cm.c
>b/drivers/infiniband/sw/siw/siw_cm.c
>index 66764f7ef072..1f9e15b71504 100644
>--- a/drivers/infiniband/sw/siw/siw_cm.c
>+++ b/drivers/infiniband/sw/siw/siw_cm.c
>@@ -1047,7 +1047,7 @@ static void siw_cm_work_handler(struct
>work_struct *w)
> 					    cep->state);
> 			}
> 		}
>-		if (rv && rv != EAGAIN)
>+		if (rv && rv != -EAGAIN)
> 			release_cep = 1;
> 		break;
> 
>-- 
>2.17.1
>
>

Thanks Zhang, good catch!

Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler
  2020-10-28 12:25 [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler Zhang Qilong
  2020-10-29  7:21 ` Bernard Metzler
@ 2020-11-02 19:28 ` Jason Gunthorpe
  1 sibling, 0 replies; 3+ messages in thread
From: Jason Gunthorpe @ 2020-11-02 19:28 UTC (permalink / raw)
  To: Zhang Qilong; +Cc: bmt, dledford, linux-rdma

On Wed, Oct 28, 2020 at 08:25:09PM +0800, Zhang Qilong wrote:
> The rv cannot be 'EAGAIN' in the previous path, we
> should use '-EAGAIN' to check it. For example:
> 
> Call trace:
> ->siw_cm_work_handler
> 	->siw_proc_mpareq
> 		->siw_recv_mpa_rr
> 
> Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
> Reviewed-by: Bernard Metzler <bmt@zurich.ibm.com>
> ---
>  drivers/infiniband/sw/siw/siw_cm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to for-rc, thanks

Jason

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-11-02 19:29 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2020-10-28 12:25 [PATCH] RDMA/siw: fix wrong judgment in siw_cm_work_handler Zhang Qilong
2020-10-29  7:21 ` Bernard Metzler
2020-11-02 19:28 ` Jason Gunthorpe

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