linux-kernel - [PATCH] scripts: kernel-doc: fix parsing function-like typedefs (again)

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Message-Id: <20250407222134.2280553-1-sean.anderson@linux.dev>
Date: Mon,  7 Apr 2025 18:21:34 -0400
From: Sean Anderson <sean.anderson@...ux.dev>
To: Jonathan Corbet <corbet@....net>,
	linux-doc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	Sean Anderson <sean.anderson@...ux.dev>
Subject: [PATCH] scripts: kernel-doc: fix parsing function-like typedefs (again)

Typedefs like

    typedef struct phylink_pcs *(*pcs_xlate_t)(const u64 *args);

have a typedef_type that ends with a * and therefore has no word
boundary. Add an extra clause for the final group of the typedef_type so
we only require a word boundary if we match a word.

Fixes: 7d2c6b1edf79 ("scripts: kernel-doc: fix parsing function-like typedefs")
Signed-off-by: Sean Anderson <sean.anderson@...ux.dev>
---

 scripts/kernel-doc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index af6cf408b96d..5db23cbf4eb2 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1325,7 +1325,7 @@ sub dump_enum($$) {
     }
 }
 
-my $typedef_type = qr { ((?:\s+[\w\*]+\b){1,8})\s* }x;
+my $typedef_type = qr { ((?:\s+[\w\*]+\b){0,7}\s+(?:\w+\b|\*+))\s* }x;
 my $typedef_ident = qr { \*?\s*(\w\S+)\s* }x;
 my $typedef_args = qr { \s*\((.*)\); }x;
 
-- 
2.35.1.1320.gc452695387.dirty