Re: [PATCH 3/4] bridge: always declare tunnel functions

From: Nikolay Aleksandrov
Date: Wed May 17 2023 - 03:34:21 EST


On 16/05/2023 22:45, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> When CONFIG_BRIDGE_VLAN_FILTERING is disabled, two functions are still
> defined but have no prototype or caller. This causes a W=1 warning for
> the missing prototypes:
>
> net/bridge/br_netlink_tunnel.c:29:6: error: no previous prototype for 'vlan_tunid_inrange' [-Werror=missing-prototypes]
> net/bridge/br_netlink_tunnel.c:199:5: error: no previous prototype for 'br_vlan_tunnel_info' [-Werror=missing-prototypes]
>
> The functions are already contitional on CONFIG_BRIDGE_VLAN_FILTERING,
> and I coulnd't easily figure out the right set of #ifdefs, so just
> move the declarations out of the #ifdef to avoid the warning,
> at a small cost in code size over a more elaborate fix.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> net/bridge/br_private_tunnel.h | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>

This should be for -net.

Fixes: 188c67dd1906 ("net: bridge: vlan options: add support for tunnel id dumping")
Fixes: 569da0822808 ("net: bridge: vlan options: add support for tunnel mapping set/del")
Acked-by: Nikolay Aleksandrov <razor@xxxxxxxxxxxxx>

Thanks,
Nik