Re: [PATCH 7/8] firewire: core: detect model name for legacy layout of configuration ROM

From: Takashi Sakamoto
Date: Thu Dec 21 2023 - 08:13:09 EST


Hi,

On Thu, Dec 21, 2023 at 04:50:08AM -0800, Adam Goldman wrote:
> Hi,
>
> > - ret = fw_csr_string(dir, attr->key, buf, bufsize);
> > + for (i = 0; i < ARRAY_SIZE(directories) && !!directories[i]; ++i) {
> > + int result = fw_csr_string(directories[i], attr->key, buf, bufsize);
> > + // Detected.
> > + if (result >= 0)
> > + ret = result;
> > + }
> >
> > if (ret >= 0) {
>
> ret is an automatic variable with no initializer. Unless you initialize
> it (to -ENOENT), this is UB.

Indeed. The uninitialized value is going to be evaluated. I'll send take
2 patchset later.


Thanks

Takashi Sakamoto