Linux RDMA and InfiniBand development
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From: Leon Romanovsky <leon@kernel.org>
To: Kamal Heib <kheib@redhat.com>
Cc: linux-rdma@vger.kernel.org, Jason Gunthorpe <jgg@ziepe.ca>,
	Michal Kalderon <mkalderon@marvell.com>,
	Ariel Elior <aelior@marvell.com>
Subject: Re: [PATCH for-rc] RDMA/qedr: Fix qedr_create_user_qp error flow
Date: Wed, 7 Feb 2024 09:31:14 +0200	[thread overview]
Message-ID: <20240207073114.GA56027@unreal> (raw)
In-Reply-To: <20240206175449.1778317-1-kheib@redhat.com>

On Tue, Feb 06, 2024 at 12:54:49PM -0500, Kamal Heib wrote:
> Avoid the following warning by making sure to call qedr_cleanup_user()
> in case qedr_init_user_queue() failed.

<...>

> diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
> index 7887a6786ed4..0943abd4de27 100644
> --- a/drivers/infiniband/hw/qedr/verbs.c
> +++ b/drivers/infiniband/hw/qedr/verbs.c
> @@ -1880,7 +1880,7 @@ static int qedr_create_user_qp(struct qedr_dev *dev,
>  		rc = qedr_init_user_queue(udata, dev, &qp->urq, ureq.rq_addr,
>  					  ureq.rq_len, true, 0, alloc_and_init);
>  		if (rc)
> -			return rc;
> +			goto err1;

"goto err1" will cause to call to qedr_cleanup_user() which will call to qedr_free_pbl()
with qp->urq.pbl_tbl) which can be NULL.

Thanks

>  	}
>  
>  	memset(&in_params, 0, sizeof(in_params));
> -- 
> 2.43.0
> 
> 

  parent reply	other threads:[~2024-02-07  7:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-06 17:54 [PATCH for-rc] RDMA/qedr: Fix qedr_create_user_qp error flow Kamal Heib
2024-02-07  2:42 ` [EXT] " Alok Prasad
2024-02-07  7:31 ` Leon Romanovsky [this message]
2024-02-08  0:01   ` Kamal Heib
2024-02-08  8:00     ` Leon Romanovsky

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