[PATCH] doc: fix reference to core-api/namespaces.rst

[Federico Vaga]

This patch:

commit fcfacb9f8374 ("doc: move namespaces.rst from kbuild/ to core-api/")

forgot to update the document kernel-hacking/hacking.rst.

In addition to the fix the path now is a cross-reference to the document.

Signed-off-by: Federico Vaga <federico.vaga@xxxxxxxxxx>
---
 Documentation/core-api/symbol-namespaces.rst | 2 ++
 Documentation/kernel-hacking/hacking.rst     | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/core-api/symbol-namespaces.rst b/Documentation/core-api/symbol-namespaces.rst
index 982ed7b568ac..6791f8a5d726 100644
--- a/Documentation/core-api/symbol-namespaces.rst
+++ b/Documentation/core-api/symbol-namespaces.rst
@@ -1,3 +1,5 @@
+.. _core-api-namespace:
+
 =================
 Symbol Namespaces
 =================
diff --git a/Documentation/kernel-hacking/hacking.rst b/Documentation/kernel-hacking/hacking.rst
index a3ddb213a5e1..107c8fd3f6c0 100644
--- a/Documentation/kernel-hacking/hacking.rst
+++ b/Documentation/kernel-hacking/hacking.rst
@@ -601,7 +601,7 @@ Defined in ``include/linux/export.h``
 
 This is the variant of `EXPORT_SYMBOL()` that allows specifying a symbol
 namespace. Symbol Namespaces are documented in
-``Documentation/kbuild/namespaces.rst``.
+:ref:`Documentation/core-api/symbol-namespaces.rst <core-api-namespace>`.
 
 :c:func:`EXPORT_SYMBOL_NS_GPL()`
 --------------------------------
@@ -610,7 +610,7 @@ Defined in ``include/linux/export.h``
 
 This is the variant of `EXPORT_SYMBOL_GPL()` that allows specifying a symbol
 namespace. Symbol Namespaces are documented in
-``Documentation/kbuild/namespaces.rst``.
+:ref:`Documentation/core-api/symbol-namespaces.rst <core-api-namespace>`.
 
 Routines and Conventions
 ========================
-- 
2.21.0