Re: [PATCH] fuse: Fix a potential memory leak for kstrdup()

[Miklos Szeredi <miklos@xxxxxxxxxx>]

On Fri, 15 Jul 2022 at 09:54, <williamsukatube@xxxxxxx> wrote:
>
> From: William Dean <williamsukatube@xxxxxxxxx>
>
> kfree() is missing on an error path to free the memory allocated by
> kstrdup():
>
>   sb->s_subtype = kstrdup(parent_sb->s_subtype, GFP_KERNEL);
>
> So it is better to free it via kfree(sb->s_subtype).

Not needed.  s_subtype will be freed in __put_super().

Thanks,
Miklos