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793ae04c46
meson_mx_efuse_read calculates the address internal to the eFuse based
on the offset and the word size. This works fine with any given offset.
However, the offset is also included when writing to the output buffer.
This means that reading 4 bytes at offset 500 tries to write beyond the
array allocated by the nvmem core as it wants to write the 4 bytes to
"buffer address + offset (500)".
This issue did not show up in the previous tests since no driver uses
any value from the eFuse yet and reading the eFuse via sysfs simply
reads the whole eFuse, starting at offset 0.
Fix this by only including the offset in the internal address
calculation.
Fixes:
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.