posture: deduplicate MAC addresses before returning them

knyar · knyar · commit ee976ad70498 · 2024-08-16T16:22:19.000+01:00
Some machines have multiple network interfaces with the same MAC address. Updates tailscale/corp#21371 Signed-off-by: Anton Tolchanov <anton@tailscale.com>
diff --git a/posture/hwaddr.go b/posture/hwaddr.go
@@ -22,5 +22,5 @@ func GetHardwareAddrs() (hwaddrs []string, err error) {
 		}
 	})
 	slices.Sort(hwaddrs)
-	return
+	return slices.Compact(hwaddrs), err
 }

Original file line number	Diff line number	Diff line change
`@@ -22,5 +22,5 @@ func GetHardwareAddrs() (hwaddrs []string, err error) {`
`22`	`22`	`}`
`23`	`23`	`})`
`24`	`24`	`slices.Sort(hwaddrs)`
`25`		`- return`
	`25`	`+ return slices.Compact(hwaddrs), err`
`26`	`26`	`}`