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commit9f08a5d896upstream. Previously dpc_handler() called aer_get_device_error_info() without initializing info->severity, so aer_get_device_error_info() relied on uninitialized data. Add dpc_get_aer_uncorrect_severity() to read the port's AER status, mask, and severity registers and set info->severity. Also, clear the port's AER fatal error status bits. Fixes:8aefa9b0d9("PCI/DPC: Print AER status in DPC event handling") Signed-off-by: Dongdong Liu <liudongdong3@huawei.com> [bhelgaas: changelog] Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Keith Busch <keith.busch@intel.com> Cc: stable@vger.kernel.org # v4.19+ 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 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.