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nvme-tcp: fix data digest pointer calculation
commitd89b9f3bbb
upstream. ddgst is of type __le32, &req->ddgst + req->offset increases &req->ddgst by 4 * req->offset, fix this by type casting &req->ddgst to u8 *. Fixes:3f2304f8c6
("nvme-tcp: add NVMe over TCP host driver") Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1040,7 +1040,7 @@ static int nvme_tcp_try_send_ddgst(struct nvme_tcp_request *req)
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int ret;
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struct msghdr msg = { .msg_flags = MSG_DONTWAIT };
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struct kvec iov = {
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.iov_base = &req->ddgst + req->offset,
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.iov_base = (u8 *)&req->ddgst + req->offset,
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.iov_len = NVME_TCP_DIGEST_LENGTH - req->offset
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};
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