checkpatch: quiet Kconfig help message checking

Editing Kconfig dependencies can emit unnecessary messages about missing
or too short help entries.

Only emit the message when adding help sections to Kconfig files.

Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Jean Delvare <jdelvare@suse.de>
Tested-by: Jean Delvare <jdelvare@suse.de>
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 146e9f9072806ec172795a5feea482c3578e8736..df4250a8ad51a56d50539e3c55ea4e636c1042fa 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2052,7 +2052,7 @@ sub process {
 # Only applies when adding the entry originally, after that we do not have
 # sufficient context to determine whether it is indeed long enough.
                if ($realfile =~ /Kconfig/ &&
-                   $line =~ /.\s*config\s+/) {
+                   $line =~ /^\+\s*config\s+/) {
                        my $length = 0;
                        my $cnt = $realcnt;
                        my $ln = $linenr + 1;
@@ -2065,10 +2065,11 @@ sub process {
                                $is_end = $lines[$ln - 1] =~ /^\+/;
 
                                next if ($f =~ /^-/);
+                               last if (!$file && $f =~ /^\@\@/);
 
-                               if ($lines[$ln - 1] =~ /.\s*(?:bool|tristate)\s*\"/) {
+                               if ($lines[$ln - 1] =~ /^\+\s*(?:bool|tristate)\s*\"/) {
                                        $is_start = 1;
-                               } elsif ($lines[$ln - 1] =~ /.\s*(?:---)?help(?:---)?$/) {
+                               } elsif ($lines[$ln - 1] =~ /^\+\s*(?:---)?help(?:---)?$/) {
                                        $length = -1;
                                }