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From: "Burakov, Anatoly" <anatoly.burakov@intel.com>
To: wangyunjian <wangyunjian@huawei.com>, dev@dpdk.org
Cc: hemant.agrawal@nxp.com, sachin.saxena@nxp.com,
	jerry.lilijun@huawei.com, xudingke@huawei.com, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH 1/2] vfio: fix check for vfio_group_fd
Date: Thu, 17 Sep 2020 12:44:26 +0100	[thread overview]
Message-ID: <293f5660-7e9c-3e23-10df-14b6d74f9f4b@intel.com> (raw)
In-Reply-To: <1589859720-16224-1-git-send-email-wangyunjian@huawei.com>

On 19-May-20 4:42 AM, wangyunjian wrote:
> From: Yunjian Wang <wangyunjian@huawei.com>
> The issue is that a file descriptor at 0 is a valid one. Currently
> the file not found, the return value will be set to 0. As a result,
> it is impossible to distinguish between a correct descriptor and a
> failed return value. Fix it to return -ENOENT instead of 0.
> Fixes: b758423bc4fe ("vfio: fix race condition with sysfs")
> Fixes: ff0b67d1c868 ("vfio: DMA mappinge")
> Cc: stable@dpdk.org
> Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
> ---

Reviewed-by: Anatoly Burakov <anatoly.burakov@intel.com>


      parent reply	other threads:[~2020-09-17 11:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  3:42 wangyunjian
2020-05-19  7:43 ` [dpdk-dev] [dpdk-stable] " David Marchand
2020-05-21 12:53   ` Burakov, Anatoly
2020-05-22  7:36     ` David Marchand
2020-05-27 10:45     ` Kevin Traynor
2020-07-29 11:43       ` wangyunjian
2020-09-17 11:44 ` Burakov, Anatoly [this message]

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