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ipvs: add a 'default' case in do_ip_vs_set_ctl()

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It is better to return the default switch case with
'-EINVAL', in case new commands are added. otherwise,
return a uninitialized value of ret.

Signed-off-by: Li Qiong <liqiong@nfschina.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Acked-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Li Qiong 2022-12-12 15:43:51 +08:00 committed by Pablo Neira Ayuso
parent 5fb45f95ee
commit ba57ee0944
1 changed files with 5 additions and 0 deletions
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5
net/netfilter/ipvs/ip_vs_ctl.c
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@ -2590,6 +2590,11 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, sockptr_t ptr, unsigned int len)
break;
case IP_VS_SO_SET_DELDEST:
ret = ip_vs_del_dest(svc, &udest);
break;
default:
WARN_ON_ONCE(1);
ret = -EINVAL;
break;
}
out_unlock: