From 70a11659f590b6ac32e6260d5c64a3e83b1272d4 Mon Sep 17 00:00:00 2001
From: Joe Perches <joe@perches.com>
Date: Mon, 8 Nov 2021 18:33:31 -0800
Subject: checkpatch: improve EXPORT_SYMBOL test for EXPORT_SYMBOL_NS uses

The EXPORT_SYMBOL test expects a single argument but definitions of
EXPORT_SYMBOL_NS have multiple arguments.

Update the test to extract only the first argument from any
EXPORT_SYMBOL related definition.

Link: https://lkml.kernel.org/r/9e8f251b42e405f460f26a23ba9b33ef45a94adc.camel@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Ian Pilcher <arequipeno@gmail.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'scripts/checkpatch.pl')

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 88cb294dc447..91798b07c6cb 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4449,6 +4449,7 @@ sub process {
 			#   XXX(foo);
 			#   EXPORT_SYMBOL(something_foo);
 			my $name = $1;
+			$name =~ s/^\s*($Ident).*/$1/;
 			if ($stat =~ /^(?:.\s*}\s*\n)?.([A-Z_]+)\s*\(\s*($Ident)/ &&
 			    $name =~ /^${Ident}_$2/) {
 #print "FOO C name<$name>\n";
-- 
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