A static checker found the following issue in the error path for
omfs_fill_super:
    fs/omfs/inode.c:552 omfs_fill_super()
    warn: missing error code here? 'd_make_root()' failed. 'ret' = '0'
Fix by returning -ENOMEM in this case.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        }
 
        sb->s_root = d_make_root(root);
-       if (!sb->s_root)
+       if (!sb->s_root) {
+               ret = -ENOMEM;
                goto out_brelse_bh2;
+       }
        printk(KERN_DEBUG "omfs: Mounted volume %s\n", omfs_rb->r_name);
 
        ret = 0;