On Sun, Mar 07, 2021 at 12:59:07AM +0800, Zhu Yanjun wrote:
> From: Zhu Yanjun <zyjzyj2000@xxxxxxxxx>
>
> When ipv6.disable=1 is set in cmdline, ipv6 is actually disabled
> in the stack. As such, the operations of ipv6 in RXE will fail.
> So ipv6 features in RXE should also be disabled in RXE.
>
> Fixes: 8700e3e7c4857 ("Soft RoCE driver")
> Reported-by: Yi Zhang <yi.zhang@xxxxxxxxxx>
> Signed-off-by: Zhu Yanjun <zyjzyj2000@xxxxxxxxx>
> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> Tested-by: Yi Zhang <yi.zhang@xxxxxxxxxx>
> V1->V2: Modify the pr_info messages
> drivers/infiniband/sw/rxe/rxe_net.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/infiniband/sw/rxe/rxe_net.c
> b/drivers/infiniband/sw/rxe/rxe_net.c
> index 0701bd1ffd1a..6ef092cb575e 100644
> +++ b/drivers/infiniband/sw/rxe/rxe_net.c
> @@ -72,6 +72,11 @@ static struct dst_entry *rxe_find_route6(struct
> net_device *ndev,
> struct dst_entry *ndst;
> struct flowi6 fl6 = { { 0 } };
>
> + if (!ipv6_mod_enabled()) {
> + pr_info("IPv6 is disabled");
> + return NULL;
> + }
Why doesn't a similar touch of ipv6_stub in
drivers/infiniband/core/addr.c need a similar protection?
Also do not print.
Jason
