From: Sabrina Dubroca <s...@queasysnail.net>
Date: Fri, 23 Aug 2019 15:44:36 +0200
> Currently, ipv6_find_idev returns NULL when ipv6_add_dev fails,
> ignoring the specific error value. This results in addrconf_add_dev
> returning ENOBUFS in all cases, which is unfortunate in cases such as:
>
> # ip link add dummyX type dummy
> # ip link set dummyX mtu 1200 up
> # ip addr add 2000::/64 dev dummyX
> RTNETLINK answers: No buffer space available
>
> Commit a317a2f19da7 ("ipv6: fail early when creating netdev named all
> or default") introduced error returns in ipv6_add_dev. Before that,
> that function would simply return NULL for all failures.
>
> Signed-off-by: Sabrina Dubroca <s...@queasysnail.net>
Looks good, applied, thanks Sabrina.
