Re: [PATCH] usb: usbfs: fix crash in check_ctrlrecip()->usb_find_alt_setting()

[Vladis Dronov]

> What reason is there for having two different fixes for the same bug?
> This one isn't going to get into any mainline trees that don't already
> have c9a4cb204e9e.

I believe this is the right thing to do, so usb_find_alt_setting()
is not called with a known-bad argument.

Honestly, I would change "if (!config)" in usb_find_alt_setting() to
"BUG_ON(!config)" so we know when its callers do smth wrong and go
fix callers. Unfortunately, I understand this hardly will be accepted.

Best regards,
Vladis Dronov | Red Hat, Inc. | Product Security Engineer