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From: Stephen Hemminger <stephen@networkplumber.org>
To: "WanRenyong" <wanry@yunsilicon.com>
Cc: <dev@dpdk.org>, <ferruh.yigit@amd.com>, <thomas@monjalon.net>
Subject: Re: [PATCH v2 05/19] net/xsc: add ioctl command interface
Date: Tue, 10 Sep 2024 20:49:51 -0700	[thread overview]
Message-ID: <20240910204951.5baa3116@hermes.local> (raw)
In-Reply-To: <20240911020740.3950704-6-wanry@yunsilicon.com>

On Wed, 11 Sep 2024 10:07:26 +0800
"WanRenyong" <wanry@yunsilicon.com> wrote:

> +	if (data_in != NULL && in_len > 0)
> +		rte_memcpy(hdr + 1, data_in, in_len);
> +
> +	ret = ioctl(dev->ctrl_fd, cmd, hdr);
> +	if (ret == 0) {
> +		if (hdr->attr.error != 0)
> +			ret = hdr->attr.error;
> +		else if (data_out != NULL && out_len > 0)
> +			rte_memcpy(data_out, hdr + 1, out_len);

Don't need to use rte_memcpy() here. Better to use regular memcpy() which
has more checking

  parent reply	other threads:[~2024-09-11  3:57 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-09-11  2:07 WanRenyong
2024-09-11  3:48 ` Stephen Hemminger
2024-09-12  4:07   ` WanRenyong
2024-09-11  3:49 ` Stephen Hemminger [this message]
2024-09-12  4:07   ` WanRenyong
2024-09-11  3:50 ` Stephen Hemminger
2024-09-12  4:14   ` WanRenyong
2024-09-12  5:50     ` Stephen Hemminger
2024-09-12  8:19       ` WanRenyong
2024-09-12  9:18         ` fengchengwen
2024-09-13  2:55           ` WanRenyong
2024-09-14  2:54             ` Stephen Hemminger
2024-09-14  6:33               ` fengchengwen

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