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netns: read NETNSA_NSID as s32 attribute in rtnl_net_getid() 

NETNSA_NSID is signed. Use nla_get_s32() to avoid confusion.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2019-04-11 16:45:57 +02:00 committed by David S. Miller
parent 526bb57a6a
commit ecce39ec10
1 changed files with 1 additions and 1 deletions
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2
net/core/net_namespace.c
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@ -839,7 +839,7 @@ static int rtnl_net_getid(struct sk_buff *skb, struct nlmsghdr *nlh,
peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD])); peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD]));
nla = tb[NETNSA_FD]; nla = tb[NETNSA_FD];
} else if (tb[NETNSA_NSID]) { } else if (tb[NETNSA_NSID]) {
peer = get_net_ns_by_id(net, nla_get_u32(tb[NETNSA_NSID])); peer = get_net_ns_by_id(net, nla_get_s32(tb[NETNSA_NSID]));
if (!peer) if (!peer)
peer = ERR_PTR(-ENOENT); peer = ERR_PTR(-ENOENT);
nla = tb[NETNSA_NSID]; nla = tb[NETNSA_NSID];