# \[PATCH net-next 13/13\] scripts/checkpatch.pl: Add dev\_kfree\_skb\*(NULL) check to checkpatch

- From: Govindarajulu Varadarajan \<hidden\>
- Date: 2013-11-02 13:49:43 
- List: netdev
- Page: https://ratatoskr.run/netdev/2013/11/4142813
- Thread: https://ratatoskr.run/linux-wireless/2013/11/4142803/t.md

```text
Signed-off-by: Govindarajulu Varadarajan <redacted>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 66cad50..e651b8a 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -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);
 			}
-- 
1.8.4.2
```