Re: [PATCH net-next] can: kvaser_usb: silence a GCC 12 -Warray-bounds warning

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 23.05.2022 14:14:25, Marc Kleine-Budde wrote:
> On 20.05.2022 12:46:59, Jakub Kicinski wrote:
> > This driver does a lot of casting of smaller buffers to
> > struct kvaser_cmd_ext, GCC 12 does not like that:
> > 
> > drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:65: warning: array subscript ‘struct kvaser_cmd_ext[0]’ is partly outside array bounds of ‘unsigned char[32]’ [-Warray-bounds]
> > drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:23: note: in expansion of macro ‘le16_to_cpu’
> >   489 |                 ret = le16_to_cpu(((struct kvaser_cmd_ext *)cmd)->len);
> >       |                       ^~~~~~~~~~~
> > 
> > Temporarily silence this warning (move it to W=1 builds).
> > 
> > Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
> > ---
> > Hi Marc, are you planning another -next PR? Can we take this
> > directly?
> 
> Thanks, applied and I'll send a -next PR soonish.

Available here:

https://lore.kernel.org/all/20220523201045.1708855-1-mkl@xxxxxxxxxxxxxx/

Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
Vertretung West/Dortmund         | Phone: +49-231-2826-924     |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-5555 |

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Automotive Discussions]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]     [CAN Bus]

  Powered by Linux