[PATCH net-next 13/13] scripts/checkpatch.pl: Add dev_kfree_skb*(NULL) check to checkpatch

@@ -3719,7 +3719,7 @@ sub process {
 # check for needless "if (<foo>) fn(<foo>)" uses
 		if ($prevline =~ /\bif\s*\(\s*($Lval)\s*\)/) {
 			my $expr = '\s*\(\s*' . quotemeta($1) . '\s*\)\s*;';
-			if ($line =~ /\b(kfree|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
+			if ($line =~ /\b(kfree|dev_kfree_skb|dev_kfree_skb_any|dev_kfree_skb_irq|usb_free_urb|debugfs_remove(?:_recursive)?)$expr/) {
 				WARN('NEEDLESS_IF',
 				     "$1(NULL) is safe this check is probably not required\n" . $hereprev);
 			}