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It's possible that the fcpCntl0 reserved field is allocated non-zero. For certain target storage arrays this could cause problems expecting reserved fields to be all zero. SLI3 path already allocates fcp_cmnd buffer with dma_pool_zalloc() in lpfc_new_scsi_buf_s3. The fcpCntl0 field itself is never proactively set throughout the SCSI I/O path. Thus, we only change the SLI4 fcp_cmnd buffer allocation to dma_pool_zalloc. Link: https://lore.kernel.org/r/20220412222008.126521-5-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.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.