commit 157378f43faad830e4aa3815bde5fa9f9a9f5be6
author Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 15:47:50 2022 +0200
committer Olivier Deprez <olivier.deprez@arm.com> Mon Apr 04 17:19:45 2022 +0200
tree a6c9afae04d547459872e71460db6f8a454a070c
parent 0e64123141f3854e695eb4924d82b52856691466

Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>

net/decnet/af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index b9b847d..dc92a67 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -150,7 +150,8 @@
 static struct hlist_head dn_wild_sk;
 static atomic_long_t decnet_memory_allocated;
 
-static int __dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen, int flags);
+static int __dn_setsockopt(struct socket *sock, int level, int optname,
+		sockptr_t optval, unsigned int optlen, int flags);
 static int __dn_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen, int flags);
 
 static struct hlist_head *dn_find_list(struct sock *sk)
@@ -622,12 +623,12 @@
 		goto disc_reject;
 	case DN_RUN:
 		scp->state = DN_DI;
-		/* fall through */
+		fallthrough;
 	case DN_DI:
 	case DN_DR:
 disc_reject:
 		dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
-		/* fall through */
+		fallthrough;
 	case DN_NC:
 	case DN_NR:
 	case DN_RJ:
@@ -641,7 +642,7 @@
 		break;
 	default:
 		printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
-		/* fall through */
+		fallthrough;
 	case DN_O:
 		dn_stop_slow_timer(sk);
 
@@ -670,7 +671,7 @@
 {
 	struct sock *sk;
 
-	if (protocol < 0 || protocol > SK_PROTOCOL_MAX)
+	if (protocol < 0 || protocol > U8_MAX)
 		return -EINVAL;
 
 	if (!net_eq(net, &init_net))
@@ -1088,7 +1089,7 @@
 	}
 
 	cb = DN_SKB_CB(skb);
-	sk->sk_ack_backlog--;
+	sk_acceptq_removed(sk);
 	newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation, kern);
 	if (newsk == NULL) {
 		release_sock(sk);
@@ -1317,7 +1318,8 @@
 	return err;
 }
 
-static int dn_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
+static int dn_setsockopt(struct socket *sock, int level, int optname,
+		sockptr_t optval, unsigned int optlen)
 {
 	struct sock *sk = sock->sk;
 	int err;
@@ -1335,7 +1337,8 @@
 	return err;
 }
 
-static int __dn_setsockopt(struct socket *sock, int level,int optname, char __user *optval, unsigned int optlen, int flags)
+static int __dn_setsockopt(struct socket *sock, int level, int optname,
+		sockptr_t optval, unsigned int optlen, int flags)
 {
 	struct	sock *sk = sock->sk;
 	struct dn_scp *scp = DN_SK(sk);
@@ -1351,13 +1354,13 @@
 	} u;
 	int err;
 
-	if (optlen && !optval)
+	if (optlen && sockptr_is_null(optval))
 		return -EINVAL;
 
 	if (optlen > sizeof(u))
 		return -EINVAL;
 
-	if (copy_from_user(&u, optval, optlen))
+	if (copy_from_sockptr(&u, optval, optlen))
 		return -EFAULT;
 
 	switch (optname) {
@@ -2131,14 +2134,11 @@
 	struct dn_iter_state *state = seq->private;
 
 	n = sk_next(n);
-try_again:
-	if (n)
-		goto out;
-	if (++state->bucket >= DN_SK_HASH_SIZE)
-		goto out;
-	n = sk_head(&dn_sk_hash[state->bucket]);
-	goto try_again;
-out:
+	while (!n) {
+		if (++state->bucket >= DN_SK_HASH_SIZE)
+			break;
+		n = sk_head(&dn_sk_hash[state->bucket]);
+	}
 	return n;
 }