linux-kernel - [PATCH] docs: ignore __counted_by attribute in structure definitions

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Message-ID: <87le9rjb4y.fsf@meer.lwn.net>
Date: Mon, 18 Dec 2023 17:20:45 -0700
From: Jonathan Corbet <corbet@....net>
To: linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] docs: ignore __counted_by attribute in structure definitions

kernel-doc appeared to ignore __counted_by, but appearances can be
deceiving; it caused member names to not be recognized, which manifested as
a number of spurious "Excess struct member" warnings.  Filter that
attribute out and reduce the warning onslaught slightly.

Signed-off-by: Jonathan Corbet <corbet@....net>
---
 scripts/kernel-doc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index df158c3a9abc..6acc39c56ac3 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1143,6 +1143,7 @@ sub dump_struct($$) {
 	# strip attributes
 	$members =~ s/\s*$attribute/ /gi;
 	$members =~ s/\s*__aligned\s*\([^;]*\)/ /gos;
+	$members =~ s/\s*__counted_by\s*\([^;]*\)/ /gos;
 	$members =~ s/\s*__packed\s*/ /gos;
 	$members =~ s/\s*CRYPTO_MINALIGN_ATTR/ /gos;
 	$members =~ s/\s*____cacheline_aligned_in_smp/ /gos;
-- 
2.43.0