netdev - Re: [PATCH] staging: wimax: depends on NET

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Date:   Mon, 2 Nov 2020 08:57:41 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Networking <netdev@...r.kernel.org>
Subject: Re: [PATCH] staging: wimax: depends on NET

On Mon, Nov 2, 2020 at 8:25 AM Randy Dunlap <rdunlap@...radead.org> wrote:
>
> Fix build errors when CONFIG_NET is not enabled. E.g. (trimmed):
>
> ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_alloc':
> op-msg.c:(.text+0xa9): undefined reference to `__alloc_skb'
> ld: op-msg.c:(.text+0xcc): undefined reference to `genlmsg_put'
> ld: op-msg.c:(.text+0xfc): undefined reference to `nla_put'
> ld: op-msg.c:(.text+0x168): undefined reference to `kfree_skb'
> ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_data_len':
> op-msg.c:(.text+0x1ba): undefined reference to `nla_find'
> ld: drivers/staging/wimax/op-msg.o: in function `wimax_msg_send':
> op-msg.c:(.text+0x311): undefined reference to `init_net'
> ld: op-msg.c:(.text+0x326): undefined reference to `netlink_broadcast'
> ld: drivers/staging/wimax/stack.o: in function `__wimax_state_change':
> stack.c:(.text+0x433): undefined reference to `netif_carrier_off'
> ld: stack.c:(.text+0x46b): undefined reference to `netif_carrier_on'
> ld: stack.c:(.text+0x478): undefined reference to `netif_tx_wake_queue'
> ld: drivers/staging/wimax/stack.o: in function `wimax_subsys_exit':
> stack.c:(.exit.text+0xe): undefined reference to `genl_unregister_family'
> ld: drivers/staging/wimax/stack.o: in function `wimax_subsys_init':
> stack.c:(.init.text+0x1a): undefined reference to `genl_register_family'
>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: netdev@...r.kernel.org

Good catch,

Acked-by: Arnd Bergmann <arnd@...db.de>

I wonder if we also need a dependency on NETDEVICES then,
since that is what the drivers/net/wimax/ implicitly depended on
before.

       Arnd