netdev - [PATCH net-next] netns: read NETNSA_NSID as s32 attribute in rtnl_net

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Message-ID: <ec29cc972d1b71f1d323a56168c4d6b57fdbb8c0.1554993912.git.gnault@redhat.com>
Date:   Thu, 11 Apr 2019 16:45:57 +0200
From:   Guillaume Nault <gnault@...hat.com>
To:     netdev@...r.kernel.org
Cc:     Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH net-next] 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@...hat.com>
---
 net/core/net_namespace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 7e6dcc625701..ebb5b6d21a13 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -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]));
 		nla = tb[NETNSA_FD];
 	} 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)
 			peer = ERR_PTR(-ENOENT);
 		nla = tb[NETNSA_NSID];
-- 
2.20.1