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ipvs: fix error return code 

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@lip6.fr>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Julia Lawall 2012-08-29 06:49:11 +00:00 committed by Pablo Neira Ayuso
parent 2dba62c30e
commit 0a54e939d8
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/ipvs/ip_vs_ctl.c
View File

@ -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);