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nvmet-tcp: fix header digest verification 

Pass the correct length to nvmet_tcp_verify_hdgst, which is the pdu
header length.  This fixes a wrong behaviour where header digest
verification passes although the digest is wrong.

Signed-off-by: Amit Engel <amit.engel@dell.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Amit Engel 2021-10-27 09:49:27 +03:00 committed by Christoph Hellwig
parent e790de54e9
commit 86aeda32b8
1 changed files with 1 additions and 1 deletions
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2
drivers/nvme/target/tcp.c
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@ -1096,7 +1096,7 @@ recv:
} }
if (queue->hdr_digest && if (queue->hdr_digest &&
nvmet_tcp_verify_hdgst(queue, &queue->pdu, queue->offset)) { nvmet_tcp_verify_hdgst(queue, &queue->pdu, hdr->hlen)) {
nvmet_tcp_fatal_error(queue); /* fatal */ nvmet_tcp_fatal_error(queue); /* fatal */
return -EPROTO; return -EPROTO;
} }