On Wed, Aug 29, 2012 at 06:49:11PM +0200, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@xxxxxxx> > > Initialize return variable before exiting on an error path. > > A simplified version of the semantic match that finds this problem is as > follows: (http://coccinelle.lip6.fr/) > > // <smpl> > ( > if@p1 (\(ret < 0\|ret != 0\)) > { ... return ret; } > | > ret@p1 = 0 > ) > ... when != ret = e1 > when != &ret > *if(...) > { > ... when != ret = e2 > when forall > return ret; > } > > // </smpl> > > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> > > --- > net/netfilter/ipvs/ip_vs_ctl.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c > index 3c60137..767cc12 100644 > --- a/net/netfilter/ipvs/ip_vs_ctl.c > +++ b/net/netfilter/ipvs/ip_vs_ctl.c > @@ -1171,8 +1171,10 @@ ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u, > goto out_err; > } > svc->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats); > - if (!svc->stats.cpustats) > + if (!svc->stats.cpustats) { > + ret = -ENOMEM; > goto out_err; > + } > > /* I'm the first user of the service */ > atomic_set(&svc->usecnt, 0); Acked-by: Simon Horman <horms@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
