checkpatch: suspect indent handle macro continuation

When ignoring a macro in the middle of a conditional, we need to ignore
the macro start and any continuation 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>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 2c1afba..862e8e0 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1465,6 +1465,7 @@ sub process {
                        }
 
                        my $cond_ptr = -1;
+                       $continuation = 0;
                        while ($cond_ptr != $cond_lines) {
                                $cond_ptr = $cond_lines;
 
@@ -1478,9 +1479,11 @@ sub process {
                                #  1) blank lines, they should be at 0,
                                #  2) preprocessor lines, and
                                #  3) labels.
-                               if ($s =~ /^\s*?\n/ ||
+                               if ($continuation ||
+                                   $s =~ /^\s*?\n/ ||
                                    $s =~ /^\s*#\s*?/ ||
                                    $s =~ /^\s*$Ident\s*:/) {
+                                       $continuation = ($s =~ /^.*?\\\n/) ? 1 : 0;
                                        $s =~ s/^.*?\n//;
                                        $cond_lines++;
                                }