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In function ubi_nvmem_reg_read the while-loop can only be exiting of bytes_left is zero or an error has occurred. There is an exit return path if an error occurs, so the bytes_left can only be zero after that point. Hence the check for a non-zero bytes_left at the end of the function is redundant and can be removed. Remove the check and just return 0. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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.