On Mon, Mar 25, 2019 at 02:53:05PM +0100, Arnd Bergmann wrote: > masq_refcnt6 was added at the start of the file, but it is > only used in the option IPv6 section of the file, causing > a harmless compiler warning if IPv6 is disabled: > > net/netfilter/nf_nat_masquerade.c:15:21: error: 'masq_refcnt6' defined but not used [-Werror=unused-variable] > static unsigned int masq_refcnt6 __read_mostly; > > Move the variable next to the user to avoid that warning. > > Fixes: 46f7487e161b ("netfilter: nat: don't register device notifier twice") > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > ---- > This is an older patch stack, for some reason I seem to have never > sent it, and I can't find any indication of anyone else sending > a similar fix, so sending this out now. > > If it's already fixed upstream, please ignore. Yes, Florian fixed this in nf-next.