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commitadf6895754upstream. Integration testing with a BIOS that generates injected health event notifications fails to communicate those events to userspace. The nfit driver neglects to link the ACPI DIMM device with the necessary driver data so acpi_nvdimm_notify() fails this lookup: nfit_mem = dev_get_drvdata(dev); if (nfit_mem && nfit_mem->flags_attr) sysfs_notify_dirent(nfit_mem->flags_attr); Add the necessary linkage when installing the notification handler and clean it up when the nfit driver instance is torn down. Cc: Toshi Kani <toshi.kani@hpe.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Fixes:ba9c8dd3c2("acpi, nfit: add dimm device notification support") Reported-by: Daniel Osawa <daniel.k.osawa@intel.com> Tested-by: Daniel Osawa <daniel.k.osawa@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. 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.