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authorToshi Kani <toshi.kani@hpe.com>2018-02-02 14:00:36 -0700
committerDan Williams <dan.j.williams@intel.com>2018-02-02 13:49:29 -0800
commit23fbd7c70aec7600e3227eb24259fc55bf6e4881 (patch)
tree55e8986f9632c035151cdfcaa5aeae32b5f08511 /tools/testing/nvdimm/test/Kbuild
parentlibnvdimm, namespace: make min namespace size 4K (diff)
downloadlinux-dev-23fbd7c70aec7600e3227eb24259fc55bf6e4881.tar.xz
linux-dev-23fbd7c70aec7600e3227eb24259fc55bf6e4881.zip
acpi, nfit: fix register dimm error handling
A NULL pointer reference kernel bug was observed when acpi_nfit_add_dimm() called in acpi_nfit_register_dimms() failed. This error path does not set nfit_mem->nvdimm, but the 2nd list_for_each_entry() loop in the function assumes it's always set. Add a check to nfit_mem->nvdimm. Cc: <stable@vger.kernel.org> Fixes: ba9c8dd3c222 ("acpi, nfit: add dimm device notification support") Signed-off-by: Toshi Kani <toshi.kani@hpe.com> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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