On 7/29/19 10:40 PM, Oliver Hartkopp wrote:
> Commit 60649d4e0af ("can: remove obsolete empty ioctl() handler") replaced the
> almost empty can_ioctl() function with sock_no_ioctl() which always returns
> -EOPNOTSUPP.
>
> Even though we don't have any ioctl() functions on socket/network layer we need
> to return -ENOIOCTLCMD to be able to forward ioctl commands like SIOCGIFINDEX
> to the network driver layer.
>
> This patch fixes the wrong return codes in the CAN network layer protocols.
>
> Reported-by: kernel test robot <rong.a.chen@xxxxxxxxx>
> Fixes: 60649d4e0af ("can: remove obsolete empty ioctl() handler")
> Signed-off-by: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
David Miller has already applied the patch.
| commit 473d924d7d46cb57aa4c1863261d18366af345af
| Author: Oliver Hartkopp <socketcan@xxxxxxxxxxxx>
| Date: Mon Jul 29 22:40:56 2019 +0200
Thanks,
Marc
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