From c40a12488b8e9e929d8b2aa2ad52904867f8c278 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 17 Jan 2016 12:17:53 -0500
Subject: cmd/*: Check return value of block_mount()

---
(limited to 'src/cmd/build.sh')

diff --git a/src/cmd/build.sh b/src/cmd/build.sh
index d12edfb..19350c3 100644
--- a/src/cmd/build.sh
+++ b/src/cmd/build.sh
@@ -43,7 +43,9 @@ cmd_build_main()
 	dev=''
 	if is_block "${root}"; then
 		dev="${root}"
-		root="$(block_mount "${dev}")"
+		if ! root="$(block_mount "${dev}")"; then
+			return 2
+		fi
 	fi
 
 	cmd_build_root="${root}"
--
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