The regular expression currently expects a single word for the
type, but it may be something like  "struct foo".

Add support for it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
---
 tools/lib/python/kdoc/kdoc_parser.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/lib/python/kdoc/kdoc_parser.py b/tools/lib/python/kdoc/kdoc_parser.py
index 0b6cba442d72..21cc4e19a1e8 100644
--- a/tools/lib/python/kdoc/kdoc_parser.py
+++ b/tools/lib/python/kdoc/kdoc_parser.py
@@ -1026,7 +1026,7 @@ class KernelDoc:
 
         default_val = None
 
-        r= KernRe(OPTIONAL_VAR_ATTR + r"[\w_]*\s+(?:\*+)?([\w_]+)\s*[\d\]\[]*\s*(=.*)?")
+        r= KernRe(OPTIONAL_VAR_ATTR + r"\s*[\w_\s]*\s+(?:\*+)?([\w_]+)\s*[\d\]\[]*\s*(=.*)?")
         if r.match(proto):
             if not declaration_name:
                 declaration_name = r.group(1)
@@ -1037,7 +1037,7 @@ class KernelDoc:
                                   r.groups(), proto)
 
         else:
-            r= KernRe(OPTIONAL_VAR_ATTR + r"(?:[\w_]*)?\s+(?:\*+)?(?:[\w_]+)\s*[\d\]\[]*\s*(=.*)?")
+            r= KernRe(OPTIONAL_VAR_ATTR + r"(?:[\w_\s]*)?\s+(?:\*+)?(?:[\w_]+)\s*[\d\]\[]*\s*(=.*)?")
 
             if r.match(proto):
                 default_val = r.group(1)
-- 
2.52.0

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@osuosl.org> On Behalf
> Of Mauro Carvalho Chehab
> Sent: Wednesday, January 28, 2026 5:50 PM
> To: Jonathan Corbet <corbet@lwn.net>; Linux Doc Mailing List <linux-
> doc@vger.kernel.org>
> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>;
> bpf@vger.kernel.org; intel-wired-lan@lists.osuosl.org; linux-
> kernel@vger.kernel.org; netdev@vger.kernel.org; Peter Zijlstra
> <peterz@infradead.org>; Randy Dunlap <rdunlap@infradead.org>; Stephen
> Rothwell <sfr@canb.auug.org.au>
> Subject: [Intel-wired-lan] [PATCH v2 11/25] docs: kdoc_parser: fix
> parser to support multi-word types
> 
> The regular expression currently expects a single word for the type,
> but it may be something like  "struct foo".
> 
> Add support for it.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> Acked-by: Randy Dunlap <rdunlap@infradead.org>
> Tested-by: Randy Dunlap <rdunlap@infradead.org>
> ---
>  tools/lib/python/kdoc/kdoc_parser.py | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/lib/python/kdoc/kdoc_parser.py
> b/tools/lib/python/kdoc/kdoc_parser.py
> index 0b6cba442d72..21cc4e19a1e8 100644
> --- a/tools/lib/python/kdoc/kdoc_parser.py
> +++ b/tools/lib/python/kdoc/kdoc_parser.py
> @@ -1026,7 +1026,7 @@ class KernelDoc:
> 
>          default_val = None
> 
> -        r= KernRe(OPTIONAL_VAR_ATTR +
> r"[\w_]*\s+(?:\*+)?([\w_]+)\s*[\d\]\[]*\s*(=.*)?")
> +        r= KernRe(OPTIONAL_VAR_ATTR +
> + r"\s*[\w_\s]*\s+(?:\*+)?([\w_]+)\s*[\d\]\[]*\s*(=.*)?")
>          if r.match(proto):
>              if not declaration_name:
>                  declaration_name = r.group(1) @@ -1037,7 +1037,7 @@
> class KernelDoc:
>                                    r.groups(), proto)
> 
>          else:
> -            r= KernRe(OPTIONAL_VAR_ATTR +
> r"(?:[\w_]*)?\s+(?:\*+)?(?:[\w_]+)\s*[\d\]\[]*\s*(=.*)?")
> +            r= KernRe(OPTIONAL_VAR_ATTR +
> + r"(?:[\w_\s]*)?\s+(?:\*+)?(?:[\w_]+)\s*[\d\]\[]*\s*(=.*)?")
> 
>              if r.match(proto):
>                  default_val = r.group(1)
> --
> 2.52.0
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>