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During target-side port faults, the driver would not recover all target port logins. This resulted in a loss of nvme device discovery. The driver is coded to wait for all GID_FT requests to complete before restarting discovery. A fault is seen where the outstanding GIT_FT counts are not properly decremented, thus discovery would never start. Another fault was found in the clearing of the gidft_inp counter that would be skipped in this condition. And a third fault found with lpfc_nvme_register_port that would remove a reverence on the ndlp which then allows a node swap on a port address change to prematurely remove the reference and release the ndlp. The following changes are made: - Correct the decrementing of the outstanding GID_FT counters. - In RSCN handling, no longer zero the counter before calling to issue another GID_FT. - No longer remove the reference on the dlp when the ndlp->nrport value is not yet null. Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.