linux-kernel - [PATCH 1/1] docs: kernel-doc: fix parsing of function pointers

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Message-Id: <20180903184153.9368-1-xypron.glpk@gmx.de>
Date:   Mon,  3 Sep 2018 20:41:53 +0200
From:   Heinrich Schuchardt <xypron.glpk@....de>
To:     Jonathan Corbet <corbet@....net>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Heinrich Schuchardt <xypron.glpk@....de>
Subject: [PATCH 1/1] docs: kernel-doc: fix parsing of function pointers

The same script kernel-doc is used by the U-Boot project.

kernel-doc fails to parse function definitions like the one below

efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
			      void (EFIAPI *notify_function) (
					struct efi_event *event,
					void *context),
			      void *notify_context, efi_guid_t *group,
			      struct efi_event **event)
{

due to the "EFIAPI" attribute preceding the function name.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@....de>
---
 scripts/kernel-doc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 31a34ced55a3..597e3223b791 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1381,7 +1381,7 @@ sub create_parameterlist($$$$) {
 	} elsif ($arg =~ m/\(.+\)\s*\(/) {
 	    # pointer-to-function
 	    $arg =~ tr/#/,/;
-	    $arg =~ m/[^\(]+\(\*?\s*([\w\.]*)\s*\)/;
+	    $arg =~ m/[^\(]+\([\w\s]*\*?\s*([\w\.]*)\s*\)/;
 	    $param = $1;
 	    $type = $arg;
 	    $type =~ s/([^\(]+\(\*?)\s*$param/$1/;
-- 
2.18.0