checkpatch: add more exceptions to 80 char lines

Add new logging functions netdev_<level> and netif_<level>.
Don't complain if the only thing on a line is a quoted string.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -195,7 +195,7 @@ sub help {
 our $logFunctions = qr{(?x:
 	printk|
 	pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)|
-	dev_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
+	(dev|netdev|netif)_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
 	WARN|
 	panic
 )};
@@ -1409,7 +1409,8 @@ sub process {
 #80 column limit
 		if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
 		    $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
-		    $line !~ /^\+\s*$logFunctions\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
+		    !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ ||
+		    $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) &&
 		    $length > 80)
 		{
 			WARN("line over 80 characters\n" . $herecurr);