From 27522b3c04692745c66991c58ac5620f72282e21 Mon Sep 17 00:00:00 2001
From: "S.J.R. van Schaik" <stephan@whiteboxsystems.nl>
Date: Wed, 14 Jun 2017 13:40:22 +0200
Subject: [PATCH] shell: mufs: claim ownership of flash device in mufs unmount

---
 source/shell/mufs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/shell/mufs.c b/source/shell/mufs.c
index 8fa1fda..7871a13 100644
--- a/source/shell/mufs.c
+++ b/source/shell/mufs.c
@@ -73,6 +73,7 @@ static void do_mufs_unmount(const char *s)
 	if (flash) {
 		flash_release(flash);
 		flash = mufs->dev;
+		mufs->dev = NULL;
 	}
 
 	mufs_unmount(mufs);