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039beaa5ac
fmh_gpib_get_dma_residue() returns unsigned int with -1 as error code.
This error cannot be caught.
Fix this by changing the return type of the function to int and
returning the error code, that was captured. Also, change the data
type of variable residue to int in the function fmh_gpib_dma_read().
Fixes: 8e4841a088 ("staging: gpib: Add Frank Mori Hess FPGA PCI GPIB driver")
Reported-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Everest K.C. <everestkc@everestkc.com.np>
Link: https://lore.kernel.org/r/20241017220740.30370-1-everestkc@everestkc.com.np
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 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.