[PATCH] nvmet_tcp: fix header digest verification

[Sagi Grimberg]

> In nvmet_tcp_try_recv_pdu:
> 1. After kernel_recvmsg, 'queue->offset' is equal to 'sizeof(struct nvme_tcp_hdr)'
> 
> 2. update queue->left = hdr->hlen - queue->offset + hdgst and 'goto recv'
> 
> 3. after recvmsg , the offset is greater than the digest.
> 
> So , In this case offset != hdr->hlen
> 
> This will lead to nvmet_tcp_verify_hdgst to always pass, which

I see, so the patch should modify the call-site to
nvmet_tcp_verify_hdgst to pass in hdr->hlen.

> 
> Thanks
> Amit
> 
> 
> Internal Use - Confidential

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