From: Christoph Hellwig <hch@lst.de>
To: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Caleb Sander Mateos <csander@purestorage.com>,
Keith Busch <kbusch@kernel.org>, Jens Axboe <axboe@kernel.dk>,
Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
Hannes Reinecke <hare@suse.de>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] nvme-tcp: fix signedness bug in nvme_tcp_init_connection()
Date: Wed, 5 Mar 2025 15:25:54 +0100 [thread overview]
Message-ID: <20250305142554.GA18330@lst.de> (raw)
In-Reply-To: <0f3be9ff-81a1-4c33-8960-75de2c239ae0@stanley.mountain>
On Fri, Feb 28, 2025 at 12:39:41PM +0300, Dan Carpenter wrote:
> index 8a9131c95a3d..361b04ec5b5d 100644
> --- a/drivers/nvme/host/tcp.c
> +++ b/drivers/nvme/host/tcp.c
> @@ -1495,7 +1495,7 @@ static int nvme_tcp_init_connection(struct nvme_tcp_queue *queue)
> msg.msg_flags = MSG_WAITALL;
> ret = kernel_recvmsg(queue->sock, &msg, &iov, 1,
> iov.iov_len, msg.msg_flags);
> - if (ret < sizeof(*icresp)) {
> + if (ret < (int)sizeof(*icresp)) {
> pr_warn("queue %d: failed to receive icresp, error %d\n",
> nvme_tcp_queue_id(queue), ret);
> if (ret >= 0)
I hate these magic casts. What about something like:
if (ret >= 0 && ret < sizeof(*icresp))
ret = -ECONNRESET;
if (ret < 0) {
...
next prev parent reply other threads:[~2025-03-05 14:26 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-28 9:39 [PATCH] nvme-tcp: fix signedness bug in nvme_tcp_init_connection() Dan Carpenter
2025-02-28 16:19 ` Caleb Sander Mateos
2025-03-01 23:16 ` Sagi Grimberg
2025-03-03 18:43 ` Chaitanya Kulkarni
2025-03-05 14:25 ` Christoph Hellwig [this message]
2025-03-05 14:37 ` Dan Carpenter
2025-03-05 14:38 ` Christoph Hellwig
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