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Date:   Wed, 23 Dec 2020 08:29:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Randy Dunlap <rdunlap@...radead.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Arnd Bergmann <arnd@...db.de>, netdev@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.4 008/130] staging: wimax: depends on NET

On Tue, Dec 22, 2020 at 09:16:11PM -0500, Sasha Levin wrote:
> From: Randy Dunlap <rdunlap@...radead.org>
> 
> [ Upstream commit 9364a2cf567187c0a075942c22d1f434c758de5d ]
> 
> 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'
> 
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: netdev@...r.kernel.org
> Acked-by: Arnd Bergmann <arnd@...db.de>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> Link: https://lore.kernel.org/r/20201102072456.20303-1-rdunlap@infradead.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  net/wimax/Kconfig | 1 +
>  1 file changed, 1 insertion(+)

This isn't needed in any backported kernel as it only is relevant when
the code moved to drivers/staging/

thanks,

greg k-h

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