Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Message-ID: <9e8f251b42e405f460f26a23ba9b33ef45a94adc.camel@perches.com>
Subject: [PATCH] checkpatch: Improve EXPORT_SYMBOL test for EXPORT_SYMBOL_NS
 uses
From:   Joe Perches <joe@perches.com>
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     Ian Pilcher <arequipeno@gmail.com>,
        Andy Whitcroft <apw@canonical.com>,
        Dwaipayan Ray <dwaipayanray1@gmail.com>,
        Lukas Bulwahn <lukas.bulwahn@gmail.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Date:   Thu, 07 Oct 2021 09:04:39 -0700
In-Reply-To: <d63da2a8-1624-21a8-f8ca-f7477c20e56b@gmail.com>
References: <d63da2a8-1624-21a8-f8ca-f7477c20e56b@gmail.com>
Content-Type: text/plain; charset="ISO-8859-1"
User-Agent: Evolution 3.40.0-1 
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Precedence: bulk

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.

Reported-by: Ian Pilcher <arequipeno@gmail.com>
Signed-off-by: Joe Perches <joe@perches.com>
---
 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 88cb294dc4472..91798b07c6cb5 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";