[PATCH v7] net/ice: fix crash on closing representor ports

[Zhang, Qi Z]

> -----Original Message-----
> From: Ye, MingjinX <mingjinx.ye at intel.com>
> Sent: Wednesday, November 8, 2023 7:40 PM
> To: dev at dpdk.org
> Cc: Yang, Qiming <qiming.yang at intel.com>; Zhou, YidingX
> <yidingx.zhou at intel.com>; Ye, MingjinX <mingjinx.ye at intel.com>;
> stable at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>
> Subject: [PATCH v7] net/ice: fix crash on closing representor ports
> 
> The data resource in struct rte_eth_dev is cleared and points to NULL when
> the DCF port is closed.
> 
> If the DCF representor port is closed after the DCF port is closed, a
> segmentation fault occurs because the representor port accesses the data
> resource released by the DCF port.
> 
> This patch fixes this issue by synchronizing the state of DCF ports and
> representor ports to the peer in real time when their state changes.
> 
> Fixes: c7e1a1a3bfeb ("net/ice: refactor DCF VLAN handling")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Mingjin Ye <mingjinx.ye at intel.com>

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi