From 6736b550f112f14c17401329a6a2a63ddc53e68b Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sun, 17 Jan 2016 15:50:32 -0500
Subject: cmd/*: Check return value of session_begin()

Also clean up on error now.
---
(limited to 'src/cmd/shell.sh')

diff --git a/src/cmd/shell.sh b/src/cmd/shell.sh
index 314b79b..8d5cd16 100644
--- a/src/cmd/shell.sh
+++ b/src/cmd/shell.sh
@@ -44,7 +44,10 @@ cmd_shell_main()
 		return 2
 	fi
 
-	session_begin "${root}" . : false
+	if ! session_begin "${root}" . : false; then
+		[ "x${dev}" != 'x' ] && block_umount "${root}"
+		return 2
+	fi
 	if [ ${#} -eq 0 ]; then
 		session_exec /bin/sh
 		printf '\n'
--
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