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3beff76b54
__get_kernel_nofault() didn't have the parentheses around the use of
'src' and 'dst' macro arguments, making the casts potentially do the
wrong thing.
The parentheses aren't necessary with the current very limited use in
mm/access.c, but it's bad form, and future use-cases might have very
unexpected errors as a result.
Do the same for unsafe_copy_loop() while at it, although in that case it
is an entirely internal x86 uaccess helper macro that isn't used
anywhere else and any other use would be invalid anyway.
Fixes: fa94111d9435 ("x86: use non-set_fs based maccess routines")
Cc: Christoph Hellwig <hch@lst.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.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.