From 80d1a294d1e240b62bf4b68111ff134af07bb0e7 Mon Sep 17 00:00:00 2001
From: Mario Limonciello <mario.limonciello@dell.com>
Date: Wed, 28 Feb 2018 10:14:15 -0600
Subject: [PATCH] Allow ctrl-d out of the prompt for devices

Currently this will segfault fwupdmgr

Choose a device:
1.	8a21cacfb0a8d2b30c5ee9290eb71db021619f8b (XPS 13 9370 System Firmware)
2.	cb52b4cd86255a70d1d9e6b09c6bf00b9f876b61 (XPS 9370 Thunderbolt Controller)
<ctrl-d>

Thread 1 "fwupdmgr" received signal SIGSEGV, Segmentation fault.
fu_util_prompt_for_device (priv=<optimized out>, error=<optimized out>) at ../src/fu-util.c:315
315		return g_object_ref (dev);
---
 src/fu-util.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/fu-util.c b/src/fu-util.c
index 2ff08e273..45915e087 100644
--- a/src/fu-util.c
+++ b/src/fu-util.c
@@ -311,6 +311,13 @@ fu_util_prompt_for_device (FuUtilPrivate *priv, GError **error)
 			 fwupd_device_get_name (dev));
 	}
 	idx = fu_util_prompt_for_number (devices_filtered->len);
+	if (idx == 0) {
+		g_set_error_literal (error,
+				     FWUPD_ERROR,
+				     FWUPD_ERROR_NOTHING_TO_DO,
+				     "Request canceled");
+		return NULL;
+	}
 	dev = g_ptr_array_index (devices_filtered, idx - 1);
 	return g_object_ref (dev);
 }