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aaec586a3c
If ioremap_wc() fails, the code jumps to the "exit" label and forgets to free the bus memory mapped into "sm750_dev->pvReg". Mapped bus memory must always be freed by calling iounmap(). Call iounmap(sm750_dev->pvReg) when the above-mentioned failures happen. The site of the missing iounmap() has been detected by Smatch. Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20220402175655.31512-1-fmdefrancesco@gmail.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.