Update kernel.org links to use CDN.

Author: mbroz

CONTRIBUTING.md

@@ -119,7 +119,7 @@ libtool --mode=execute gdb --args ./cryptsetup --debug $@
 This will ensure that a properly compiled libcryptsetup file is used.
 
 ### Coding style
-Cryptsetup uses [Linux kernel coding style](https://www.kernel.org/doc/html/latest/process/coding-style.html) for libcryptsetup and tools (where applicable) with some additional notes:
+Cryptsetup uses [Linux kernel coding style](https://cdn.kernel.org/doc/html/latest/process/coding-style.html) for libcryptsetup and tools (where applicable) with some additional notes:
 - Use tabulators for indentation; the line should not exceed 100 characters with an 8-character tabulator. Otherwise, use a tab of any length. :-).
 - The minimal C standard required is C99.
 - The ``goto`` use is allowed only for error path (``goto out`` for common code path, ``goto err`` for specific error code path).

FAQ.md

@@ -38,7 +38,7 @@
   LUKS1 and LUKS2.
 
   The LUKS1 on-disk format specification is at  
-  https://www.kernel.org/pub/linux/utils/cryptsetup/LUKS_docs/on-disk-format.pdf  
+  https://cdn.kernel.org/pub/linux/utils/cryptsetup/LUKS_docs/on-disk-format.pdf  
   The LUKS2 on-disk format specification is at  
   https://gitlab.com/cryptsetup/LUKS2-docs
 

README.md

@@ -30,28 +30,28 @@ which enables users to transport or migrate data seamlessly.
   * The latest version of the
   [LUKS2 format specification](https://gitlab.com/cryptsetup/LUKS2-docs).
   * The latest version of the
-  [LUKS1 format specification](https://www.kernel.org/pub/linux/utils/cryptsetup/LUKS_docs/on-disk-format.pdf).
+  [LUKS1 format specification](https://cdn.kernel.org/pub/linux/utils/cryptsetup/LUKS_docs/on-disk-format.pdf).
   * [Project home page](https://gitlab.com/cryptsetup/cryptsetup/).
   * [Frequently asked questions (FAQ)](https://gitlab.com/cryptsetup/cryptsetup/wikis/FrequentlyAskedQuestions)
 
 Download
 --------
 Release notes and tarballs are available at
-[kernel.org](https://www.kernel.org/pub/linux/utils/cryptsetup/).
+[kernel.org](https://cdn.kernel.org/pub/linux/utils/cryptsetup/).
 
 **The latest stable cryptsetup release version is 2.7.5**
-  * [cryptsetup-2.7.5.tar.xz](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-2.7.5.tar.xz)
-  * Signature [cryptsetup-2.7.5.tar.sign](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-2.7.5.tar.sign)
+  * [cryptsetup-2.7.5.tar.xz](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-2.7.5.tar.xz)
+  * Signature [cryptsetup-2.7.5.tar.sign](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-2.7.5.tar.sign)
     _(You need to decompress file first to check signature.)_
-  * [Cryptsetup 2.7.5 Release Notes](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.7/v2.7.5-ReleaseNotes).
+  * [Cryptsetup 2.7.5 Release Notes](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.7/v2.7.5-ReleaseNotes).
 
 Previous versions
- * [Version 2.6.1](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.6/cryptsetup-2.6.1.tar.xz) -
-   [Signature](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.6/cryptsetup-2.6.1.tar.sign) -
-   [Release Notes](https://www.kernel.org/pub/linux/utils/cryptsetup/v2.5/v2.5.0-ReleaseNotes).
- * [Version 1.7.5](https://www.kernel.org/pub/linux/utils/cryptsetup/v1.7/cryptsetup-1.7.5.tar.xz) -
-   [Signature](https://www.kernel.org/pub/linux/utils/cryptsetup/v1.7/cryptsetup-1.7.5.tar.sign) -
-   [Release Notes](https://www.kernel.org/pub/linux/utils/cryptsetup/v1.7/v1.7.5-ReleaseNotes).
+ * [Version 2.6.1](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.6/cryptsetup-2.6.1.tar.xz) -
+   [Signature](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.6/cryptsetup-2.6.1.tar.sign) -
+   [Release Notes](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.5/v2.5.0-ReleaseNotes).
+ * [Version 1.7.5](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v1.7/cryptsetup-1.7.5.tar.xz) -
+   [Signature](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v1.7/cryptsetup-1.7.5.tar.sign) -
+   [Release Notes](https://cdn.kernel.org/pub/linux/utils/cryptsetup/v1.7/v1.7.5-ReleaseNotes).
 
 Source and API documentation
 ----------------------------

misc/fedora/cryptsetup.spec

@@ -18,7 +18,7 @@ Obsoletes: %{name}-reencrypt <= %{version}
 Provides: %{name}-reencrypt = %{version}
 
 %global upstream_version %{version_no_tilde}
-Source0: https://www.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-%{upstream_version}.tar.xz
+Source0: https://cdn.kernel.org/pub/linux/utils/cryptsetup/v2.7/cryptsetup-%{upstream_version}.tar.xz
 
 %description
 The cryptsetup package contains a utility for setting up