Re: [PATCH v3 1/9] brcmfmac: pcie: Release firmwares in the brcmf_pcie_setup error path

From: Andy Shevchenko
Date: Wed Jan 19 2022 - 16:33:45 EST


On Wed, Jan 19, 2022 at 11:22 PM Dmitry Osipenko <digetx@xxxxxxxxx> wrote:
>
> 19.01.2022 20:49, Andy Shevchenko пишет:
> > On Mon, Jan 17, 2022 at 4:30 PM Hector Martin <marcan@xxxxxxxxx> wrote:
> >>
> >> This avoids leaking memory if brcmf_chip_get_raminfo fails. Note that
> >> the CLM blob is released in the device remove path.
> >
> > ...
> >
> >> if (ret) {
> >
> >> brcmf_err(bus, "Failed to get RAM info\n");
> >> + release_firmware(fw);
> >> + brcmf_fw_nvram_free(nvram);
> >
> > Can we first undo the things and only after print a message?
>
> Having message first usually is more preferred because at minimum you'll
> get the message if "undoing the things" crashes, i.e. will be more
> obvious what happened.

If "undo the things" crashes, I would rather like to see that crash
report, while serial UART at 9600 will continue flushing the message
and then hang without any pointers to what the heck happened. Not
here, but in general, messages are also good to be out of the locks.


--
With Best Regards,
Andy Shevchenko