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SubjectRe: [net-next 1/2] bonding: netlink error message support for options
On Mon,  6 Jun 2022 11:26:52 -0400 Jonathan Toppins wrote:
> Add support for reporting errors via extack in both bond_newlink
> and bond_changelink.
>
> Instead of having to look in the kernel log for why an option was not
> correct just report the error to the user via the extack variable.
>
> What is currently reported today:
> ip link add bond0 type bond
> ip link set bond0 up
> ip link set bond0 type bond mode 4
> RTNETLINK answers: Device or resource busy
>
> After this change:
> ip link add bond0 type bond
> ip link set bond0 up
> ip link set bond0 type bond mode 4
> Error: unable to set option because the bond is up.
>
> Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
> ---
>
> Notes:
> Removed the printf support and just added static messages for various
> error events.

Thanks! nit, missing kdoc:

drivers/net/bonding/bond_options.c:729: warning: Function parameter or member 'bad_attr' not described in '__bond_opt_set'
drivers/net/bonding/bond_options.c:729: warning: Function parameter or member 'extack' not described in '__bond_opt_set'

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