libnvdimm, dax: fix deletion

[cascardo/linux.git] / drivers / nvdimm / pfn_devs.c

diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index 04f71d6..436191c 100644 (file)
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -54,25 +54,6 @@ struct nd_pfn *to_nd_pfn(struct device *dev)
 }
 EXPORT_SYMBOL(to_nd_pfn);
 
-static struct nd_pfn *to_nd_pfn_safe(struct device *dev)
-{
-       /*
-        * pfn device attributes are re-used by dax device instances, so we
-        * need to be careful to correct device-to-nd_pfn conversion.
-        */
-       if (is_nd_pfn(dev))
-               return to_nd_pfn(dev);
-
-       if (is_nd_dax(dev)) {
-               struct nd_dax *nd_dax = to_nd_dax(dev);
-
-               return &nd_dax->nd_pfn;
-       }
-
-       WARN_ON(1);
-       return NULL;
-}
-
 static ssize_t mode_show(struct device *dev,
                struct device_attribute *attr, char *buf)
 {