checkpatch: add --strict test for switch/default missing break

[profile/ivi/kernel-x86-ivi.git] / scripts / checkpatch.pl

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index f27b0b5..725c596 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3448,8 +3448,22 @@ sub process {
 
 # check for multiple semicolons
                if ($line =~ /;\s*;\s*$/) {
-                   WARN("ONE_SEMICOLON",
-                        "Statements terminations use 1 semicolon\n" . $herecurr);
+                       WARN("ONE_SEMICOLON",
+                            "Statements terminations use 1 semicolon\n" . $herecurr);
+               }
+
+# check for switch/default statements without a break;
+               if ($^V && $^V ge 5.10.0 &&
+                   defined $stat &&
+                   $stat =~ /^\+[$;\s]*(?:case[$;\s]+\w+[$;\s]*:[$;\s]*|)*[$;\s]*\bdefault[$;\s]*:[$;\s]*;/g) {
+                       my $ctx = '';
+                       my $herectx = $here . "\n";
+                       my $cnt = statement_rawlines($stat);
+                       for (my $n = 0; $n < $cnt; $n++) {
+                               $herectx .= raw_line($linenr, $n) . "\n";
+                       }
+                       WARN("DEFAULT_NO_BREAK",
+                            "switch default: should use break\n" . $herectx);
                }
 
 # check for gcc specific __FUNCTION__