checkpatch: improve network block comment test and message

Show the first line of the comment after a line with just /* to better
show where the defective comment style is in the file.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

scripts/checkpatch.pl

@@ -1891,8 +1891,8 @@ sub process {
 		}
 
 		if ($realfile =~ m@^(drivers/net/|net/)@ &&
-		    $rawline =~ /^\+[ \t]*\/\*[ \t]*$/ &&
-		    $prevrawline =~ /^\+[ \t]*$/) {
+		    $prevrawline =~ /^\+[ \t]*\/\*[ \t]*$/ &&
+		    $rawline =~ /^\+[ \t]*\*/) {
 			WARN("NETWORKING_BLOCK_COMMENT_STYLE",
 			     "networking block comments don't use an empty /* line, use /* Comment...\n" . $hereprev);
 		}