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[ Upstream commite76ad21d07] During resume from hibernation if ena_restore_device fails, ena_com_dev_reset() is called, and uses the readless read mechanism, which was already destroyed by the call to ena_com_mmio_reg_read_request_destroy(). This causes a NULL pointer reference. In this commit we switch the call order of the above two functions to avoid this crash. Fixes:d7703ddbd7("net: ena: fix rare bug when failed restart/resume is followed by driver removal") Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.