20d2279f90
A test scenario has a target issuing a TPLS after accepting the driver's PRLI. TPLS is not supported by the driver so it rejects the ELS. However, the reject was only happening on the primary N_Port. If the TPLS was to a NPIV vport, not only would it reject the ELS, but it would act on the TPLS, starting devloss, then unregister from the SCSI transport and release the node. When devloss expired, it would access the node again and cause a page faul. Fix by altering the NPIV code to recognize that a correctly registered node can reject unsolicited ELS I/O and to not unregister with the SCSI transport and tear the node down. Add a check of the fc4_xpt_flags so that only a zero value allows the unreg and teardown. Link: https://lore.kernel.org/r/20210910233159.115896-4-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.