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Sparse spits out this following warning: drivers/mmc/core/queue.c:311:21: warning: incorrect type in assignment (different base types) drivers/mmc/core/queue.c:311:21: expected int ret drivers/mmc/core/queue.c:311:21: got restricted blk_status_t [usertype] drivers/mmc/core/queue.c:314:21: warning: incorrect type in assignment (different base types) drivers/mmc/core/queue.c:314:21: expected int ret drivers/mmc/core/queue.c:314:21: got restricted blk_status_t [usertype] drivers/mmc/core/queue.c:336:16: warning: incorrect type in return expression (different base types) drivers/mmc/core/queue.c:336:16: expected restricted blk_status_t drivers/mmc/core/queue.c:336:16: got int [assigned] ret ret is only used for blk_status_t types, so make it that type. Signed-off-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20211215011336.194089-1-joel@jms.id.au Signed-off-by: Ulf Hansson <ulf.hansson@linaro.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.