kernel-doc: Fix symbol matching for dropped suffixes

The support for dropping "_noprof" missed dropping the suffix from
exported symbols.  That meant that using the :export: feature would
look for kernel-doc for (eg) krealloc_noprof() and not find the
kernel-doc for krealloc().

Fixes: 51a7bf0238c2 (scripts/kernel-doc: drop "_noprof" on function prototypes)
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250606141543.1285671-1-willy@infradead.org

diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
index 062453eefc7a3e8c569883c4a601ce928f45be84..2c6143f7ca0f37d915a416da6990884f5f271173 100644 (file)
--- a/scripts/lib/kdoc/kdoc_parser.py
+++ b/scripts/lib/kdoc/kdoc_parser.py
@@ -1171,16 +1171,24 @@ class KernelDoc:
         with a staticmethod decorator.
         """
 
+        # We support documenting some exported symbols with different
+        # names.  A horrible hack.
+        suffixes = [ '_noprof' ]
+
         # Note: it accepts only one EXPORT_SYMBOL* per line, as having
         # multiple export lines would violate Kernel coding style.
 
         if export_symbol.search(line):
             symbol = export_symbol.group(2)
+            for suffix in suffixes:
+                symbol = symbol.removesuffix(suffix)
             function_set.add(symbol)
             return
 
         if export_symbol_ns.search(line):
             symbol = export_symbol_ns.group(2)
+            for suffix in suffixes:
+                symbol = symbol.removesuffix(suffix)
             function_set.add(symbol)
 
     def process_normal(self, ln, line):