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After user space writes the fw_file attribute to push new firmware to the device, the driver calls iqs5xx_dev_init() to re-initialize the device with the updated firmware or recover the device in case the update failed. In the case of the latter, however, iqs5xx_fw_file_write() returns zero (success) so long as iqs5xx_dev_init() does not fail, and any error encountered during the update process is lost. Solve this by saving the error before calling iqs5xx_dev_init(). Signed-off-by: Jeff LaBundy <jeff@labundy.com> Link: https://lore.kernel.org/r/1611002626-5889-3-git-send-email-jeff@labundy.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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.