[PATCH 4.18 001/123] PATCH scripts/kernel-doc

[Greg Kroah-Hartman]

4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Valdis Kletnieks <valdis.kletnieks@xxxxxx>

commit 701b3a3c0ac42630f74a5efba8545d61ac0e3293 upstream.

Fix a warning whinge from Perl introduced by "scripts: kernel-doc: parse next structs/unions"

Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.32), passed through in regex; marked by <-- HERE in m/({ <-- HERE [^\{\}]*})/ at ./scripts/kernel-doc line 1155.
Unescaped left brace in regex is deprecated here (and will be fatal in Perl 5.32), passed through in regex; marked by <-- HERE in m/({ <-- HERE )/ at ./scripts/kernel-doc line 1179.

Signed-off-by: Valdis Kletnieks <valdis.kletnieks@xxxxxx>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
Cc: Nathan Chancellor <natechancellor@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 scripts/kernel-doc |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1152,7 +1152,7 @@ sub dump_struct($$) {
 	}
 
 	# Ignore other nested elements, like enums
-	$members =~ s/({[^\{\}]*})//g;
+	$members =~ s/(\{[^\{\}]*})//g;
 
 	create_parameterlist($members, ';', $file, $declaration_name);
 	check_sections($file, $declaration_name, $decl_type, $sectcheck, $struct_actual);
@@ -1176,7 +1176,7 @@ sub dump_struct($$) {
 			$declaration .= "\t" x $level;
 		}
 		$declaration .= "\t" . $clause . "\n";
-		$level++ if ($clause =~ m/({)/ && !($clause =~m/}/));
+		$level++ if ($clause =~ m/(\{)/ && !($clause =~m/}/));
 	}
 	output_declaration($declaration_name,
 			   'struct',