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/installer-pc.sh')

diff --git a/src/cmd/installer-pc.sh b/src/cmd/installer-pc.sh
index a96a7cf..348838e 100644
--- a/src/cmd/installer-pc.sh
+++ b/src/cmd/installer-pc.sh
@@ -86,7 +86,10 @@ cmd_installer_pc_main()
 			EOF
 		# This ln command won't be needed once lilo 24.1-1 is uploaded.
 		ln "${root}/boot/vmlinuz" "${root}/boot/vmlinuz.old"
-		session_begin "${root}" . : false
+		if ! session_begin "${root}" . : false
+			block_umount "${root}"
+			return 2
+		fi
 		session_exec install-lilo \
 			"${dev}" "PARTUUID=${b1}${b2}${b3}${b4}-01"
 		session_end
--
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