From 87bdcb2ae472711c3b0b3679fbdb393e39b4dbc3 Mon Sep 17 00:00:00 2001
From: Josh Bleecher Snyder <josh@tailscale.com>
Date: Mon, 25 Jan 2021 09:21:43 -0800
Subject: device: correct IPC error number for I/O errors

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>
---
 device/uapi.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/device/uapi.go b/device/uapi.go
index 160806d..90a9952 100644
--- a/device/uapi.go
+++ b/device/uapi.go
@@ -168,7 +168,10 @@ func (device *Device) IpcSetOperation(r io.Reader) (err error) {
 		}
 	}
 
-	return scanner.Err()
+	if err := scanner.Err(); err != nil {
+		return ipcErrorf(ipc.IpcErrorIO, "failed to read input: %w", err)
+	}
+	return nil
 }
 
 func (device *Device) handleDeviceLine(key, value string) error {
-- 
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