Re: [PATCH 2/2] virtiofs: Improve error handling in virtio_fs_get_tree()

[Matthew Wilcox]

On Fri, Dec 29, 2023 at 09:38:47AM +0100, Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 29 Dec 2023 09:15:07 +0100
> 
> The kfree() function was called in two cases by
> the virtio_fs_get_tree() function during error handling
> even if the passed variable contained a null pointer.

So what?  kfree(NULL) is perfectly acceptable.  Are you trying to
optimise an error path?