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[ Upstream commit db9795a43dc944f048a37b65e06707f60f713e34 ] In the current implementation, the local variable field_value is used without prior initialization, which may lead to reading uninitialized memory. Specifically, in the macro set_mask_bits, the initial (potentially uninitialized) value of the buffer is copied into old__, and a mask is applied to calculate new__. A similar issue was resolved in commit6ee2a7058f("iio: accel: bma400: Fix smatch warning based on use of unintialized value."). Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes:961db2da15("iio: accel: bma400: Add support for single and double tap events") Signed-off-by: Mikhail Lobanov <m.lobanov@rosalinux.ru> Link: https://patch.msgid.link/20240910083624.27224-1-m.lobanov@rosalinux.ru Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Sasha Levin <sashal@kernel.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.