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authorKishen Maloor <kishen.maloor@intel.com>2022-02-09 17:25:08 -0800
committerJakub Kicinski <kuba@kernel.org>2022-02-09 21:44:35 -0800
commit029744cd4bc6e9eb3bd833b4a033348296d34645 (patch)
treeb51ba0ca0c85cd94acbf5b37bacb50724bd0e904 /net/mptcp/pm_netlink.c
parent857898eb4b28daf3faca3ae334c78b2bb141475e (diff)
downloadlinux-029744cd4bc6e9eb3bd833b4a033348296d34645.tar.gz
mptcp: netlink: process IPv6 addrs in creating listening sockets
This change updates mptcp_pm_nl_create_listen_socket() to create
listening sockets bound to IPv6 addresses (where IPv6 is supported).

Fixes: 1729cf186d8a ("mptcp: create the listening socket for new port")
Acked-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/mptcp/pm_netlink.c')
-rw-r--r--net/mptcp/pm_netlink.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 782b1d452269..356f596e2032 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -925,6 +925,7 @@ out:
 static int mptcp_pm_nl_create_listen_socket(struct sock *sk,
 					    struct mptcp_pm_addr_entry *entry)
 {
+	int addrlen = sizeof(struct sockaddr_in);
 	struct sockaddr_storage addr;
 	struct mptcp_sock *msk;
 	struct socket *ssock;
@@ -949,8 +950,11 @@ static int mptcp_pm_nl_create_listen_socket(struct sock *sk,
 	}
 
 	mptcp_info2sockaddr(&entry->addr, &addr, entry->addr.family);
-	err = kernel_bind(ssock, (struct sockaddr *)&addr,
-			  sizeof(struct sockaddr_in));
+#if IS_ENABLED(CONFIG_MPTCP_IPV6)
+	if (entry->addr.family == AF_INET6)
+		addrlen = sizeof(struct sockaddr_in6);
+#endif
+	err = kernel_bind(ssock, (struct sockaddr *)&addr, addrlen);
 	if (err) {
 		pr_warn("kernel_bind error, err=%d", err);
 		goto out;