Re: WARNING in usb_free_urb

[Michal Pecio]

On Mon, 29 Jun 2026 09:20:33 +0200, Michal Pecio wrote:
> The free(buf[i]) loop should simply be removed. It was mistakenly
> added by d571b592c6206, then a26efd1961a18 recognized the double free
> but attempted to fix it only by changing the order of freeing. Sent
> from .edu domain, so probably an automatic static analyzer fix...

Correction: it failed to recognize the double free, but it fixed a
different (real) problem that the buf array itself was already NULL
and couldn't be scanned for buffer pointers to free.

So it turned this NULL dereferenc into a double free.