From 90dfa59d64dec4a1c6a598eef18a8b1586e0deee Mon Sep 17 00:00:00 2001
From: Dan Kortschak <dan.kortschak@elastic.co>
Date: Tue, 22 Feb 2022 13:27:01 +1030
Subject: [PATCH] packetbeat/beater: help the GC clean up the Npcap installer
 if it's not used

The installer bytes are released in the install case but this was accidentally
removed in #30048. This frees ~1MB of runtime memory after start up has been
completed.
---
 packetbeat/beater/install_npcap.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packetbeat/beater/install_npcap.go b/packetbeat/beater/install_npcap.go
index d15ac21479a0..f247fee70c83 100644
--- a/packetbeat/beater/install_npcap.go
+++ b/packetbeat/beater/install_npcap.go
@@ -52,6 +52,7 @@ func installNpcap(b *beat.Beat) error {
 		}
 	}()
 	if !npcap.Upgradeable() {
+		npcap.Installer = nil
 		return nil
 	}