* [PATCH] RDMA/cm: Fix memory leak in ib_cm_insert_listen
@ 2022-06-21 5:25 Miaoqian Lin
2022-06-24 19:44 ` Jason Gunthorpe
0 siblings, 1 reply; 2+ messages in thread
From: Miaoqian Lin @ 2022-06-21 5:25 UTC (permalink / raw)
To: Jason Gunthorpe, Leon Romanovsky, Mark Zhang, Maor Gottlieb,
Weihang Li, Wenpeng Liang, linux-rdma, linux-kernel
Cc: linmq006
cm_alloc_id_priv() allocates resource for cm_id_priv.
when cm_init_listen() fails, it doesn't free it,
leading to memory leak. call ib_destroy_cm_id() to fix this.
Fixes: 98f67156a80f ("RDMA/cm: Simplify establishing a listen cm_id")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
drivers/infiniband/core/cm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 1c107d6d03b9..b985e0d9bc05 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1252,8 +1252,10 @@ struct ib_cm_id *ib_cm_insert_listen(struct ib_device *device,
return ERR_CAST(cm_id_priv);
err = cm_init_listen(cm_id_priv, service_id, 0);
- if (err)
+ if (err) {
+ ib_destroy_cm_id(&cm_id_priv->id);
return ERR_PTR(err);
+ }
spin_lock_irq(&cm_id_priv->lock);
listen_id_priv = cm_insert_listen(cm_id_priv, cm_handler);
--
2.25.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] RDMA/cm: Fix memory leak in ib_cm_insert_listen
2022-06-21 5:25 [PATCH] RDMA/cm: Fix memory leak in ib_cm_insert_listen Miaoqian Lin
@ 2022-06-24 19:44 ` Jason Gunthorpe
0 siblings, 0 replies; 2+ messages in thread
From: Jason Gunthorpe @ 2022-06-24 19:44 UTC (permalink / raw)
To: Miaoqian Lin
Cc: Leon Romanovsky, Mark Zhang, Maor Gottlieb, Weihang Li,
Wenpeng Liang, linux-rdma, linux-kernel
On Tue, Jun 21, 2022 at 09:25:44AM +0400, Miaoqian Lin wrote:
> cm_alloc_id_priv() allocates resource for cm_id_priv.
> when cm_init_listen() fails, it doesn't free it,
> leading to memory leak. call ib_destroy_cm_id() to fix this.
>
> Fixes: 98f67156a80f ("RDMA/cm: Simplify establishing a listen cm_id")
> Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
> ---
> drivers/infiniband/core/cm.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
Applied to for-rc, thanks
Jason
^ permalink raw reply [flat|nested] 2+ messages in thread
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2022-06-21 5:25 [PATCH] RDMA/cm: Fix memory leak in ib_cm_insert_listen Miaoqian Lin
2022-06-24 19:44 ` Jason Gunthorpe
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