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commit132be62387upstream. When jumping to the out_put_disk label, we will call put_disk(), which will trigger a call to disk_release(), which calls blk_put_queue(). Later in the cleanup code, we do blk_cleanup_queue(), which will also call blk_put_queue(). Putting the queue twice is incorrect, and will generate a KASAN splat. Set the disk->queue pointer to NULL, before calling put_disk(), so that the first call to blk_put_queue() will not free the queue. The second call to blk_put_queue() uses another pointer to the same queue, so this call will still free the queue. Fixes:85136c0102("lightnvm: simplify geometry enumeration") Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.