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commit3c638cdb8eupstream. xa_alloc_cyclic() call returns positive number if ID allocation succeeded but wrapped. It is not an error, so normalize the "ret" variable to zero as marker of not-an-error. drivers/infiniband/core/restrack.c:261 rdma_restrack_add() warn: 'ret' can be either negative or positive Fixes:fd47c2f99f("RDMA/restrack: Convert internal DB from hash to XArray") Link: https://lore.kernel.org/r/20201216100753.1127638-1-leon@kernel.org Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 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.