Re: [PATCH v4 1/3] Bluetooth: Fix possible race with userspace of sysfs isoc_alt

[Greg KH]

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http://daringfireball.net/2007/07/on_top

On Thu, Feb 13, 2025 at 07:57:15PM +0800, Hsin-chen Chuang wrote:
> The btusb driver data is allocated by devm_kzalloc and is
> automatically freed on driver detach, so I guess we don't have
> anything to do here.

What?  A struct device should NEVER be allocated with devm_kzalloc.
That's just not going to work at all.

> Or perhaps we should move btusb_disconnect's content here? Luiz, what
> do you think?

I think something is really wrong here.  Why are you adding a new struct
device to the system?  What requires that?  What is this new device
going to be used for?

confused,


greg k-h