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[ Upstream commit9d6033e350] We need to pass 'end - 1' to ida_alloc_max after switch from ida_simple_get to ida_alloc_max. Otherwise smatch warns. drivers/block/rnbd/rnbd-clt.c:1460 init_dev() error: Calling ida_alloc_max() with a 'max' argument which is a power of 2. -1 missing? Fixes:24afc15dbe("block/rnbd: Remove a useless mutex") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev> Acked-by: Jack Wang <jinpu.wang@ionos.com> Link: https://lore.kernel.org/r/20221230010926.32243-1-guoqing.jiang@linux.dev Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.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.