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The driver is only initializing bb_res in the devm_memremap_pages() paths, but the raw namespace case is passing an uninitialized bb_res to nvdimm_badblocks_populate(). Fixes: e8d513483300 ("memremap: change devm_memremap_pages interface...") Cc: <stable@vger.kernel.org> Cc: Christoph Hellwig <hch@lst.de> Reported-by: Jacek Zloch <jacek.zloch@intel.com> Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>