From: Arnd Bergmann <arnd@xxxxxxxx>
Date: Tue, 13 Jan 2015 15:10:27 +0100
> When IPV4 support is disabled, we cannot call arp_send from
> the bridge code, which would result in a kernel link error:
>
> net/built-in.o: In function `br_handle_frame_finish':
> :(.text+0x59914): undefined reference to `arp_send'
> :(.text+0x59a50): undefined reference to `arp_tbl'
>
> This makes the newly added proxy ARP support in the bridge
> code depend on the CONFIG_INET symbol and lets the compiler
> optimize the code out to avoid the link error.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 958501163ddd ("bridge: Add support for IEEE 802.11 Proxy ARP")
Applied, thanks Arnd.
