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In lpfc_nvmet_prep_fcp_wqe() the line "rsp->sg_cnt = 0" is modifying the transport's data structure. This may result in the transport believing the s/g list was already freed, thus may not unmap/free it properly. Lpfc driver should not modify the transport data structure. The zeroing of the sg_cnt is to avoid use of the transport's sgl in a subsequent loop where the driver builds the necessary requests for the adapter firmware to complete the IO. Change LLDD to use a local copy of the transport sg_cnt when building requests to be passed to the adapter fw. Link: https://lore.kernel.org/r/20200322181304.37655-4-jsmart2021@gmail.com Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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.