1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index db4e264eecb6..d0914cba2413 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -831,3 +831,24 @@ void devm_kfree(struct device *dev, void *p)
         WARN_ON(rc);
 }
 EXPORT_SYMBOL_GPL(devm_kfree);
+
+/**
+ * devm_kmemdup - Resource-managed kmemdup
+ * @dev: Device this memory belongs to
+ * @src: Memory region to duplicate
+ * @len: Memory region length
+ * @gfp: GFP mask to use
+ *
+ * Duplicate region of a memory using resource managed kmalloc
+ */
+void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp)
+{
+        void *p;
+
+        p = devm_kmalloc(dev, len, gfp);
+        if (p)
+                memcpy(p, src, len);
+
+        return p;
+}
+EXPORT_SYMBOL_GPL(devm_kmemdup);