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f614b937d8
As per NVMe/TCP transport specification ICReq PDU is the first PDU received by the controller and controller should receive only one ICReq PDU. If controller receives more than one ICReq PDU then this can be considered as fatal error. nvmet-tcp driver does not check for ICReq PDU opcode if queue state is NVMET_TCP_Q_LIVE. In LIVE state ICReq PDU is treated as CapsuleCmd PDU, this can result in abnormal behavior. Add a check for ICReq PDU in nvmet_tcp_done_recv_pdu() to fix this issue. Signed-off-by: Varun Prakash <varun@chelsio.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.