[PATCH] scripts: checkversion: modernize linux/version.h search strings

[Randy Dunlap]

Update scripts/checkversion.pl to recognize the current contents
of <linux/version.h> and both of its current locations.

Also update my email address.

Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
 scripts/checkversion.pl |   18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

--- linux-next-20210723.orig/scripts/checkversion.pl
+++ linux-next-20210723/scripts/checkversion.pl
@@ -1,10 +1,10 @@
 #! /usr/bin/env perl
 # SPDX-License-Identifier: GPL-2.0
 #
-# checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
-# without including <linux/version.h>, or cases of
-# including <linux/version.h> that don't need it.
-# Copyright (C) 2003, Randy Dunlap <rdunlap@xxxxxxxxxxxx>
+# checkversion finds uses of all macros in <linux/version.h>
+# where the source files do not #include <linux/version.h>; or cases
+# of including <linux/version.h> where it is not needed.
+# Copyright (C) 2003, Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
 
 use strict;
 
@@ -13,7 +13,8 @@ $| = 1;
 my $debugging;
 
 foreach my $file (@ARGV) {
-    next if $file =~ "include/linux/version\.h";
+    next if $file =~ "include/generated/uapi/linux/version\.h";
+    next if $file =~ "usr/include/linux/version\.h";
     # Open this file.
     open( my $f, '<', $file )
       or die "Can't open $file: $!\n";
@@ -41,8 +42,11 @@ foreach my $file (@ARGV) {
 	    $iLinuxVersion      = $. if m/^\s*#\s*include\s*<linux\/version\.h>/o;
 	}
 
-	# Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
-	if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
+	# Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION,
+	# LINUX_VERSION_MAJOR, LINUX_VERSION_PATCHLEVEL, LINUX_VERSION_SUBLEVEL
+	if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/) ||
+	    ($_ =~ /LINUX_VERSION_MAJOR/) || ($_ =~ /LINUX_VERSION_PATCHLEVEL/) ||
+	    ($_ =~ /LINUX_VERSION_SUBLEVEL/)) {
 	    $fUseVersion = 1;
             last if $iLinuxVersion;
         }