[PATCH] cifs: Clean up an error code in cifs_root_iget()

[Dan Carpenter]

On Wed, Feb 27, 2019 at 11:44:14PM -0600, Steve French wrote:
> Won't that change behavior and cause the success case (server returned
> 0, and does support POSIX and &inode pointer is ok) to now return
> -EINVAL.
> 

You're right.  I'm really sorry.  I don't know why I misread the code...

Also looking at it now, this was a false positive in Smatch.  I have
been working on that code in the past couple days and I don't have the
warning in my latest build.

regards,
dan carpenter