Re: [PATCH] net: ax88179: add proper error handling of usb read errors

From: Andy Shevchenko
Date: Mon Apr 11 2022 - 11:15:54 EST


On Tue, Apr 5, 2022 at 3:05 AM Pavel Skripkin <paskripkin@xxxxxxxxx> wrote:
> On 4/4/22 18:10, David Kahurani wrote:
> > Reads that are lesser than the requested size lead to uninit-value bugs. Qualify
> > such reads as errors and handle them correctly.

> I'd personally cut this log a bit and would add this part of the initial
> report
>
> Local variable eeprom.i created at:
> ax88179_check_eeprom drivers/net/usb/ax88179_178a.c:1045 [inline]
> ax88179_led_setting+0x2e2/0x30b0 drivers/net/usb/ax88179_178a.c:1168
> ax88179_bind+0xe75/0x1990 drivers/net/usb/ax88179_178a.c:1411
>
> Since it shows exactly where problem comes from.
>
> I do not insist, just IMO

I insist though. It will reduce the resource consumption (i.e. storage
and network load on cloning / pulling) a lot (taking into account
multiplier of how many Linux kernel source copies are around the
globe) and hence become more environmentally friendly.

--
With Best Regards,
Andy Shevchenko