Dan Carpenter 0f7c956533 ALSA: hdsp: fix a test for copy_to_user() failure
The copy_to_user() function returns the number of bytes remaining to be
copied.  It doesn't return negatives.

Fixes: 66c8f75919dd ("ALSA: hdsp: Fix assignment in if condition")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YNIzqpVR6L2t/RwJ@mwanda
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2021-06-22 21:33:24 +02:00
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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 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.
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