Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-17.1-caf-msm8998

This brings LA.UM.8.4.r1-05400-8x98.0 up to date with
https://android.googlesource.com/kernel/common/ android-4.4-p at commit:
96b09cba55905 UPSTREAM: net: socket: set sock->sk to NULL after calling proto_ops::release()

Conflicts:
	drivers/scsi/ufs/ufshcd.c
	drivers/usb/gadget/composite.c
	drivers/usb/gadget/function/f_fs.c

Change-Id: I3e79c0d20e3eb3246a50c9a1e815cdf030a4232e

5 files changed, 14 insertions, 12 deletions

diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index ec8020de60cf..a4ffb324ca6d 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -560,12 +560,15 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix,
 	return NULL;
 }
 
-static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa)
+static int ip_mc_autojoin_config(struct net *net, bool join,
+				 const struct in_ifaddr *ifa)
 {
+#if defined(CONFIG_IP_MULTICAST)
 	struct ip_mreqn mreq = {
 		.imr_multiaddr.s_addr = ifa->ifa_address,
 		.imr_ifindex = ifa->ifa_dev->dev->ifindex,
 	};
+	struct sock *sk = net->ipv4.mc_autojoin_sk;
 	int ret;
 
 	ASSERT_RTNL();
@@ -578,6 +581,9 @@ static int ip_mc_config(struct sock *sk, bool join, const struct in_ifaddr *ifa)
 	release_sock(sk);
 
 	return ret;
+#else
+	return -EOPNOTSUPP;
+#endif
 }
 
 static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
@@ -617,7 +623,7 @@ static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh)
 			continue;
 
 		if (ipv4_is_multicast(ifa->ifa_address))
-			ip_mc_config(net->ipv4.mc_autojoin_sk, false, ifa);
+			ip_mc_autojoin_config(net, false, ifa);
 		__inet_del_ifa(in_dev, ifap, 1, nlh, NETLINK_CB(skb).portid);
 		return 0;
 	}
@@ -873,8 +879,7 @@ static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh)
 		 */
 		set_ifa_lifetime(ifa, valid_lft, prefered_lft);
 		if (ifa->ifa_flags & IFA_F_MCAUTOJOIN) {
-			int ret = ip_mc_config(net->ipv4.mc_autojoin_sk,
-					       true, ifa);
+			int ret = ip_mc_autojoin_config(net, true, ifa);
 
 			if (ret < 0) {
 				inet_free_ifa(ifa);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 3f48c7d6ca31..2fd6fce1851f 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -666,10 +666,8 @@ static int __init vti_init(void)
 
 	msg = "ipip tunnel";
 	err = xfrm4_tunnel_register(&ipip_handler, AF_INET);
-	if (err < 0) {
-		pr_info("%s: cant't register tunnel\n",__func__);
+	if (err < 0)
 		goto xfrm_tunnel_failed;
-	}
 
 	msg = "netlink interface";
 	err = rtnl_link_register(&vti_link_ops);
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 01f8d24f3af7..051ed5732a81 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -507,9 +507,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 		goto out;
 
 	/* hdrincl should be READ_ONCE(inet->hdrincl)
-	 * but READ_ONCE() doesn't work with bit fields
+	 * but READ_ONCE() doesn't work with bit fields.
+	 * Doing this indirectly yields the same result.
 	 */
 	hdrincl = inet->hdrincl;
+	hdrincl = READ_ONCE(hdrincl);
 	/*
 	 *	Check the flags.
 	 */
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index e28e535db44f..671e221070a5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -131,8 +131,6 @@ static int ip_rt_min_advmss __read_mostly	= 256;
 
 static int ip_rt_gc_timeout __read_mostly	= RT_GC_TIMEOUT;
 
-static int ip_min_valid_pmtu __read_mostly	= IPV4_MIN_MTU;
-
 /*
  *	Interface to generic destination cache.
  */
@@ -2722,6 +2720,7 @@ void ip_rt_multicast_event(struct in_device *in_dev)
 static int ip_rt_gc_interval __read_mostly  = 60 * HZ;
 static int ip_rt_gc_min_interval __read_mostly	= HZ / 2;
 static int ip_rt_gc_elasticity __read_mostly	= 8;
+static int ip_min_valid_pmtu __read_mostly	= IPV4_MIN_MTU;
 
 static int ipv4_sysctl_rtcache_flush(struct ctl_table *__ctl, int write,
 					void __user *buffer,
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 7ee6518afa86..73705a2368d9 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -75,9 +75,7 @@ int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb)
 {
 	memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
 
-#ifdef CONFIG_NETFILTER
 	IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
-#endif
 
 	return xfrm_output(sk, skb);
 }