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From: "Wang, Haiyue" <haiyue.wang@intel.com>
To: "Yu, DapengX" <dapengx.yu@intel.com>,
	"Yang, Qiming" <qiming.yang@intel.com>,
	"Zhang, Qi Z" <qi.z.zhang@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, "stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v3] net/ice: fix representor port segmentation fault
Date: Mon, 13 Sep 2021 05:46:40 +0000	[thread overview]
Message-ID: <BN8PR11MB3795717792E077BBAEDA11E0F7D99@BN8PR11MB3795.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20210907020033.2113437-1-dapengx.yu@intel.com>

> -----Original Message-----
> From: Yu, DapengX <dapengx.yu@intel.com>
> Sent: Tuesday, September 7, 2021 10:01
> To: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z <qi.z.zhang@intel.com>
> Cc: dev@dpdk.org; Wang, Haiyue <haiyue.wang@intel.com>; Yu, DapengX <dapengx.yu@intel.com>;
> stable@dpdk.org
> Subject: [PATCH v3] net/ice: fix representor port segmentation fault
> 
> From: Dapeng Yu <dapengx.yu@intel.com>
> 
> If DCF representor port is closed after DCF port is closed, there will
> be segmentation fault because representor accesses the released resource
> of DCF port.
> 
> This patch checks if the resource is present before accessing.
> 
> Fixes: 5674465a32c8 ("net/ice: add DCF VLAN handling")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Dapeng Yu <dapengx.yu@intel.com>
> ---
> V2:
>  * Remove (void) to make code clean.
> V3:
>  * Only check resource accessibility but not release it.
> ---
>  drivers/net/ice/ice_dcf_vf_representor.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Acked-by: Haiyue Wang <haiyue.wang@intel.com>

> --
> 2.27.0


  reply	other threads:[~2021-09-13  5:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-02  9:44 [dpdk-dev] [PATCH] " dapengx.yu
2021-09-02 14:45 ` Wang, Haiyue
2021-09-03  3:08   ` Yu, DapengX
2021-09-03  4:37     ` Wang, Haiyue
2021-09-03  5:41 ` [dpdk-dev] [PATCH v2] " dapengx.yu
2021-09-07  2:00   ` [dpdk-dev] [PATCH v3] " dapengx.yu
2021-09-13  5:46     ` Wang, Haiyue [this message]
2021-09-13  5:50       ` Zhang, Qi Z

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