[dpdk-dev] [PATCH v1] net/iavf: fix cannot release mbufs issue

Wu, Jingjing jingjing.wu at intel.com
Wed Nov 11 06:16:26 CET 2020



> -----Original Message-----
> From: Xu, Ting <ting.xu at intel.com>
> Sent: Wednesday, November 11, 2020 11:07 AM
> To: dev at dpdk.org
> Cc: Zhang, Qi Z <qi.z.zhang at intel.com>; Xing, Beilei <beilei.xing at intel.com>;
> Wu, Jingjing <jingjing.wu at intel.com>; Xu, Ting <ting.xu at intel.com>;
> stable at dpdk.org
> Subject: [PATCH v1] net/iavf: fix cannot release mbufs issue
> 
> In the function _iavf_rx_queue_release_mbufs_vec to release rx mbufs,
> rxq->rxrearm_nb is given the value of rx descriptor number at last.
> However, since the process to release and allocate mbufs lacks the
> initialization of rxrearm_nb, if we try to release mbufs next time, it will return
> without releasing directly. In this patch, rxrearm_nb is initialized to be zero in
> rx queue reset.
> 
> Fixes: 319c421f3890 ("net/avf: enable SSE Rx Tx")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Ting Xu <ting.xu at intel.com>

Acked-by: Jingjing Wu <jingjing.wu at intel.com>



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