On Fri, Dec 07, 2012 at 12:06:44AM +0000, Cong Ding wrote: > the variables zero and unres_qlen_max are only used when CONFIG_SYSCTL is > defined, otherwise it causes the following sparse warning when we turn on > CONFIG_SYSCTL. sorry for disturbing again, the sparse warning is net/core/neighbour.c:65:12: warning: ‘zero’ defined but not used [-Wunused-variable] net/core/neighbour.c:66:12: warning: ‘unres_qlen_max’ defined but not used [-Wunused-variable]
it happens if we turn off CONFIG_SYSCTL. > > Signed-off-by: Cong Ding <ding...@gmail.com> > --- > net/core/neighbour.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/net/core/neighbour.c b/net/core/neighbour.c > index 36fc692..4a15278 100644 > --- a/net/core/neighbour.c > +++ b/net/core/neighbour.c > @@ -62,8 +62,10 @@ static void __neigh_notify(struct neighbour *n, int type, > int flags); > static void neigh_update_notify(struct neighbour *neigh); > static int pneigh_ifdown(struct neigh_table *tbl, struct net_device *dev); > > +#ifdef CONFIG_SYSCTL > static int zero; > static int unres_qlen_max = INT_MAX / SKB_TRUESIZE(ETH_FRAME_LEN); > +#endif > > static struct neigh_table *neigh_tables; > #ifdef CONFIG_PROC_FS > -- > 1.7.4.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
