checkpatch: add a placeholder to check blank lines before declarations

Figure out first how to determine if this is in a struct declaration or in
a function body before enabling this.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 93b8e66..4ad4052 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2750,6 +2750,14 @@ sub process {
                              "space required before the open brace '{'\n" . $herecurr);
                }
 
+## # check for blank lines before declarations
+##             if ($line =~ /^.\t+$Type\s+$Ident(?:\s*=.*)?;/ &&
+##                 $prevrawline =~ /^.\s*$/) {
+##                     WARN("SPACING",
+##                          "No blank lines before declarations\n" . $hereprev);
+##             }
+##
+
 # closing brace should have a space following it when it has anything
 # on the line
                if ($line =~ /}(?!(?:,|;|\)))\S/) {