[PATCH 4/8] docs: kdoc: properly handle empty enum arguments

[Mauro Carvalho Chehab <mchehab+huawei@kernel.org>]

Depending on how the enum proto is written, a comma at the end
may incorrectly make kernel-doc parse an arg like " ".

Strip spaces before checking if arg is empty.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 tools/lib/python/kdoc/kdoc_parser.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/lib/python/kdoc/kdoc_parser.py b/tools/lib/python/kdoc/kdoc_parser.py
index 086579d00b5c..4b3c555e6c8e 100644
--- a/tools/lib/python/kdoc/kdoc_parser.py
+++ b/tools/lib/python/kdoc/kdoc_parser.py
@@ -810,9 +810,10 @@ class KernelDoc:
         member_set = set()
         members = KernRe(r'\([^;)]*\)').sub('', members)
         for arg in members.split(','):
-            if not arg:
-                continue
             arg = KernRe(r'^\s*(\w+).*').sub(r'\1', arg)
+            if not arg.strip():
+                continue
+
             self.entry.parameterlist.append(arg)
             if arg not in self.entry.parameterdescs:
                 self.entry.parameterdescs[arg] = self.undescribed
-- 
2.52.0