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If ibmvfc_init_sub_crqs() fails ibmvfc_probe() simply parrots registration failure reported elsewhere, and futher vhost->scsi_scrq.scrq == NULL is indication enough to the driver that it has no sub-CRQs available. The mq_enabled check can also be moved into ibmvfc_init_sub_crqs() such that each caller doesn't have to gate the call with a mq_enabled check. Finally, in the case of sub-CRQ setup failure setting do_enquiry can be turned off to putting the driver into single queue fallback mode. The aforementioned changes also simplify the next patch in the series that fixes a hard reset issue, by tying a sub-CRQ setup failure and do_enquiry logic into ibmvfc_init_sub_crqs(). Link: https://lore.kernel.org/r/20210302230543.9905-2-tyreld@linux.ibm.com Reviewed-by: Brian King <brking@linux.ibm.com> Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.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.