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If nvme_alloc_admin_tag_set() fails, the admin_q and fabrics_q pointers are left with an invalid, non-NULL value. Other functions may then check the pointers and dereference them, e.g. in nvme_probe() -> out_disable: -> nvme_dev_remove_admin(). Fix the bug by setting admin_q and fabrics_q to NULL in case of error. Also use the set variable to free the tag_set as ctrl->admin_tagset isn't initialized yet. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Reviewed-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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.