Re: kdbus: to merge or not to merge?

[Joe Perches <joe@perches.com>]

On Thu, 2015-07-09 at 10:39 +0200, Geert Uytterhoeven wrote:
> On Wed, Jul 8, 2015 at 3:54 PM, Pavel Machek <pavel@ucw.cz> wrote:
> > Apparently, new tools are needed in the community, as normal review
> > comments did not stop drivers/android/binder.c merge.
> >
> > For example binder_transaction does not exactly look like a kernel
> > code, "TODO: fput" does not really invoke confidence, and amount of
> > BUG_ON()s is quite amazing...
> 
> Amazingly, checkpatch (without --strict) only complains about long lines.
> 
> Seems like the test for "BUG" is (and always has been) commented out...

Maybe (requires --strict when scanning files)
---
 scripts/checkpatch.pl | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 90e1edc..11c8186 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3439,13 +3439,15 @@ sub process {
 			}
 		}
 
-# # no BUG() or BUG_ON()
-# 		if ($line =~ /\b(BUG|BUG_ON)\b/) {
-# 			print "Try to use WARN_ON & Recovery code rather than BUG() or BUG_ON()\n";
-# 			print "$herecurr";
-# 			$clean = 0;
-# 		}
+# avoid BUG() or BUG_ON()
+		if ($line =~ /\b(?:BUG|BUG_ON)\b/) {
+			my $msg_type = \&WARN;
+			$msg_type = \&CHK if ($file);
+			&{$msg_type}("AVOID_BUG",
+				     "Avoid crashing the kernel - Try using WARN_ON & Recovery code rather than BUG() or BUG_ON()\n" . $herecurr);
+		}
 
+# avoid LINUX_VERSION_CODE
 		if ($line =~ /\bLINUX_VERSION_CODE\b/) {
 			WARN("LINUX_VERSION_CODE",
 			     "LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged\n" . $herecurr);