checkpatch: switch -- report trailing statements on case and default

Report trailing statements on case and default lines.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 614999f29aa0..5f71b3050253 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1244,6 +1244,10 @@ sub process {
                                 ERROR("switch and case should be at the same indent\n$hereline$err");
                         }
                 }
+                if ($line =~ /^.\s*(?:case\s*.*|default\s*):/g &&
+                    $line !~ /\G(?:\s*{)?(?:\s*$;*)(?:\s*\\)?\s*$/g) {
+                        ERROR("trailing statements should be on next line\n" . $herecurr);
+                }
 
 # if/while/etc brace do not go on next line, unless defining a do while loop,
 # or if that brace on the next line is for something else