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4850f26abf
Replace ?: with min to calculate the number of bytes in the secondary buffer, including changing the data type of data_in_secondary to size_t to be type-consistent. data_in_secondary can never be negative. Remove some spurious calculations (copy_to_user returns zero on success), making one variable redundant (i) This change does not alter the functionality of the code. Signed-off-by: Daniel M German <dmg@turingmachine.org> 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.