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77f5bb1501
GCC 15's new -Wunterminated-string-initialization notices that one of
the sysfs attr strings would lack the implicit trailing NUL byte during
initialization:
drivers/power/supply/power_supply_sysfs.c:183:57: warning: initializer-string for array of 'char' truncates NUL terminator but destination lacks 'nonstring' attribute (32 chars into 31 available) [-Wunterminated-string-initialization]
183 | POWER_SUPPLY_ATTR(CHARGE_CONTROL_START_THRESHOLD),
| ^
drivers/power/supply/power_supply_sysfs.c:36:23: note: in definition of macro '_POWER_SUPPLY_ATTR'
36 | .attr_name = #_name "\0", \
| ^~~~~
drivers/power/supply/power_supply_sysfs.c:183:9: note: in expansion of macro 'POWER_SUPPLY_ATTR'
183 | POWER_SUPPLY_ATTR(CHARGE_CONTROL_START_THRESHOLD),
| ^~~~~~~~~~~~~~~~~
However, the macro used was explicitly adding a trailing NUL byte (which
is not needed). Remove this to avoid the GCC warning. No binary
differences are seen after this change (there was always run for a NUL
byte, it's just that the _second_ NUL byte was getting truncated).
Signed-off-by: Kees Cook <kees@kernel.org>
Link: https://lore.kernel.org/r/20250416222740.work.569-kees@kernel.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
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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.