checkpatch: don't warn about extra parentheses in staging/

This "Unnecessary parentheses" warning is disabled for drivers/staging
unless the --strict option is used.  Really, we don't want it at all even
if the --strict option is used.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Dan Carpenter <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: Andy Whitcroft <[email protected]>
Cc: Dwaipayan Ray <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Lukas Bulwahn <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Dan Carpenter

scripts/checkpatch.pl

@@ -5503,9 +5503,9 @@ sub process {
 			}
 		}
 
-# check for unnecessary parentheses around comparisons in if uses
-# when !drivers/staging or command-line uses --strict
-		if (($realfile !~ m@^(?:drivers/staging/)@ || $check_orig) &&
+# check for unnecessary parentheses around comparisons
+# except in drivers/staging
+		if (($realfile !~ m@^(?:drivers/staging/)@) &&
 		    $perl_version_ok && defined($stat) &&
 		    $stat =~ /(^.\s*if\s*($balanced_parens))/) {
 			my $if_stat = $1;