netlink: rename ssk to sk in struct netlink_skb_params

Memory mapped netlink needs to store the receiving userspace socket
when sending from the kernel to userspace. Rename 'ssk' to 'sk' to
avoid confusion.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/netlink.h

@@ -19,7 +19,7 @@ struct netlink_skb_parms {
 	struct scm_creds	creds;		/* Skb credentials	*/
 	__u32			portid;
 	__u32			dst_group;
-	struct sock		*ssk;
+	struct sock		*sk;
 };
 
 #define NETLINK_CB(skb)		(*(struct netlink_skb_parms*)&((skb)->cb))

net/ipv4/inet_diag.c

@@ -324,7 +324,7 @@ int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_s
 	}
 
 	err = sk_diag_fill(sk, rep, req,
-			   sk_user_ns(NETLINK_CB(in_skb).ssk),
+			   sk_user_ns(NETLINK_CB(in_skb).sk),
 			   NETLINK_CB(in_skb).portid,
 			   nlh->nlmsg_seq, 0, nlh);
 	if (err < 0) {
@@ -630,7 +630,7 @@ static int inet_csk_diag_dump(struct sock *sk,
 		return 0;
 
 	return inet_csk_diag_fill(sk, skb, r,
-				  sk_user_ns(NETLINK_CB(cb->skb).ssk),
+				  sk_user_ns(NETLINK_CB(cb->skb).sk),
 				  NETLINK_CB(cb->skb).portid,
 				  cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh);
 }
@@ -805,7 +805,7 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
 			}
 
 			err = inet_diag_fill_req(skb, sk, req,
-					       sk_user_ns(NETLINK_CB(cb->skb).ssk),
+					       sk_user_ns(NETLINK_CB(cb->skb).sk),
 					       NETLINK_CB(cb->skb).portid,
 					       cb->nlh->nlmsg_seq, cb->nlh);
 			if (err < 0) {

net/ipv4/udp_diag.c

@@ -25,7 +25,7 @@ static int sk_diag_dump(struct sock *sk, struct sk_buff *skb,
 		return 0;
 
 	return inet_sk_diag_fill(sk, NULL, skb, req,
-			sk_user_ns(NETLINK_CB(cb->skb).ssk),
+			sk_user_ns(NETLINK_CB(cb->skb).sk),
 			NETLINK_CB(cb->skb).portid,
 			cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->nlh);
 }
@@ -71,7 +71,7 @@ static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb,
 		goto out;
 
 	err = inet_sk_diag_fill(sk, NULL, rep, req,
-			   sk_user_ns(NETLINK_CB(in_skb).ssk),
+			   sk_user_ns(NETLINK_CB(in_skb).sk),
 			   NETLINK_CB(in_skb).portid,
 			   nlh->nlmsg_seq, 0, nlh);
 	if (err < 0) {

net/netfilter/nfnetlink_log.c

@@ -824,7 +824,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb,
 
 			inst = instance_create(net, group_num,
 					       NETLINK_CB(skb).portid,
-					       sk_user_ns(NETLINK_CB(skb).ssk));
+					       sk_user_ns(NETLINK_CB(skb).sk));
 			if (IS_ERR(inst)) {
 				ret = PTR_ERR(inst);
 				goto out;

net/netlink/af_netlink.c

@@ -891,7 +891,7 @@ static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,
 	if (nlk->netlink_rcv != NULL) {
 		ret = skb->len;
 		skb_set_owner_r(skb, sk);
-		NETLINK_CB(skb).ssk = ssk;
+		NETLINK_CB(skb).sk = ssk;
 		nlk->netlink_rcv(skb);
 		consume_skb(skb);
 	} else {

net/sched/cls_flow.c

@@ -393,7 +393,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb,
 			return -EOPNOTSUPP;
 
 		if ((keymask & (FLOW_KEY_SKUID|FLOW_KEY_SKGID)) &&
-		    sk_user_ns(NETLINK_CB(in_skb).ssk) != &init_user_ns)
+		    sk_user_ns(NETLINK_CB(in_skb).sk) != &init_user_ns)
 			return -EOPNOTSUPP;
 	}