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f8def051bb
The current code uses of_iomap() to map registers but never calls
iounmap() on any error path after the mapping. This causes a memory
leak when probe fails after successful ioremap, for example when
of_clk_add_provider() or r9a06g032_add_clk_domain() fails.
Replace of_iomap() with devm_of_iomap() to automatically unmap the
region on probe failure. Update the error check accordingly to use
IS_ERR() and PTR_ERR() since devm_of_iomap() returns ERR_PTR on error.
Fixes:
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| fs | ||
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| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
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| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
| .rustfmt.toml | ||
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| Makefile | ||
| README | ||
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 reStructuredText 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.