1 files changed, 9 insertions, 2 deletions

diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 662bba099501..58dd9cf06206 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -146,14 +146,19 @@ static const struct super_operations jffs2_super_operations =
 static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
 {
         struct jffs2_sb_info *c;
+        int ret;
+
+        lock_kernel();
 
         D1(printk(KERN_DEBUG "jffs2_get_sb_mtd():"
                   " New superblock for device %d (\"%s\")\n",
                   sb->s_mtd->index, sb->s_mtd->name));
 
         c = kzalloc(sizeof(*c), GFP_KERNEL);
-        if (!c)
+        if (!c) {
+                unlock_kernel();
                 return -ENOMEM;
+        }
 
         c->mtd = sb->s_mtd;
         c->os_priv = sb;
@@ -175,7 +180,9 @@ static int jffs2_fill_super(struct super_block *sb, void *data, int silent)
 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
         sb->s_flags |= MS_POSIXACL;
 #endif
-        return jffs2_do_fill_super(sb, data, silent);
+        ret = jffs2_do_fill_super(sb, data, silent);
+        unlock_kernel();
+        return ret;
 }
 
 static int jffs2_get_sb(struct file_system_type *fs_type,