linux-kernel - Re: [PATCH] nvme-tcp: Fix a memory leak

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Message-ID: <28a41bf1-661b-47e3-8b7e-65cb64a0b8bc@suse.de>
Date:   Tue, 31 Oct 2023 08:09:51 +0100
From:   Hannes Reinecke <hare@...e.de>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-nvme@...ts.infradead.org
Subject: Re: [PATCH] nvme-tcp: Fix a memory leak

On 10/29/23 22:22, Christophe JAILLET wrote:
> All error handling path end to the error handling path, except this one.
> Go to the error handling branch as well here, otherwise 'icreq' and
> 'icresp' will leak.
> 
> Fixes: 2837966ab2a8 ("nvme-tcp: control message handling for recvmsg()")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>   drivers/nvme/host/tcp.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
> index 4714a902f4ca..3c35c37112e6 100644
> --- a/drivers/nvme/host/tcp.c
> +++ b/drivers/nvme/host/tcp.c
> @@ -1429,7 +1429,8 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
>   		if (ctype != TLS_RECORD_TYPE_DATA) {
>   			pr_err("queue %d: unhandled TLS record %d\n",
>   			       nvme_tcp_queue_id(queue), ctype);
> -			return -ENOTCONN;
> +			ret = -ENOTCONN;
> +			goto free_icresp;
>   		}
>   	}
>   	ret = -EINVAL;

Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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