Jinwei Chen 356c6b714e qcacmn: fix null skb accessing due to incomplete scattered msdu ...

If RX packets reaped from REO2SW ring hit rx_reap_loop_pkt_limit,
REO2SW ring reaping will break and stop, but for scattered msdu case,
all related buffer should be received one time for further processing,
otherwise dp_rx_sg_create can not handle correctly.

(1) make sure all buffers for scattered msdu is received then allow
break when rx_reap_loop_pkt_limit hit.
(2) refine skb unmap location in case msdu_scatter_wait_break logic is
hit, then may double unmap for same skb(not for current issue).

Change-Id: I85d385ee9c3b1a5ed56ae5e5b68636d04968553f
CRs-Fixed: 2632082

2020-03-04 09:56:49 -08:00

76 KiB

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