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7e4be1290a
The error codes were not set on some of these error paths.
Also the error handling was more confusing than it needed to be so I
cleaned it up and shuffled it around a bit.
Fixes: d2fb0a0438 ("dmaengine: break out channel registration")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201113101631.GE168908@mwanda
Signed-off-by: Vinod Koul <vkoul@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.