util/linuxfw: return created chain (#10563)

Ensure that if getOrCreateChain creates a new chain, it actually returns the created chain Updates tailscale/tailscale#10399 Signed-off-by: Irbe Krumina <irbe@tailscale.com>
2 years ago · 0cdc8e20d6
parent d2fbdb005d
commit 0cdc8e20d6
1 changed files with 1 additions and 1 deletions
--- a/util/linuxfw/nftables_runner.go
+++ b/util/linuxfw/nftables_runner.go
@ -429,7 +429,7 @@ func getOrCreateChain(c *nftables.Conn, cinfo chainInfo) (*nftables.Chain, error
 		return chain, nil
 	}

-	_ = c.AddChain(&nftables.Chain{
+	chain = c.AddChain(&nftables.Chain{
 		Name:     cinfo.name,
 		Table:    cinfo.table,
 		Type:     cinfo.chainType,