From: Ido Schimmel <[email protected]>
Date: Mon, 27 Jul 2020 10:18:34 +0300
> Cited commit mistakenly copied provided option to 'val' instead of to
> 'mfc':
>
> ```
> - if (copy_from_user(&mfc, optval, sizeof(mfc))) {
> + if (copy_from_sockptr(&val, optval, sizeof(val))) {
> ```
>
> Fix this by copying the option to 'mfc'.
>
> selftest router_multicast.sh before:
...
> selftest router_multicast.sh after:
...
> Fixes: 01ccb5b48f08 ("net/ipv4: switch ip_mroute_setsockopt to sockptr_t")
> Signed-off-by: Ido Schimmel <[email protected]>
Applied, thank you.