1 files changed, 4 insertions, 0 deletions

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 5059e9633edb..37b12125c127 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -174,6 +174,8 @@ static void jffs2_put_super (struct super_block *sb)
 
         D2(printk(KERN_DEBUG "jffs2: jffs2_put_super()\n"));
 
+        lock_kernel();
+
         if (sb->s_dirt)
                 jffs2_write_super(sb);
 
@@ -195,6 +197,8 @@ static void jffs2_put_super (struct super_block *sb)
         if (c->mtd->sync)
                 c->mtd->sync(c->mtd);
 
+        unlock_kernel();
+
         D1(printk(KERN_DEBUG "jffs2_put_super returning\n"));
 }