checkpatch: allow printk strings to exceed 80 characters to maintain their searchability

Allow printk strings to break the 80 character width limits, thus keeping
them complete and searchable.

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 89177c3..614999f 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1138,7 +1138,9 @@ sub process {
                }
 #80 column limit
                if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
-                   $rawline !~ /^.\s*\*\s*\@$Ident\s/ && $length > 80)
+                   $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
+                   $line !~ /^\+\s*printk\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
+                   $length > 80)
                {
                        WARN("line over 80 characters\n" . $herecurr);
                }