Merge 4.4.253 into android-4.4-p

Changes in 4.4.253
	ASoC: dapm: remove widget from dirty list on free
	mm/hugetlb: fix potential missing huge page size info
	ext4: fix bug for rename with RENAME_WHITEOUT
	ARC: build: add boot_targets to PHONY
	ethernet: ucc_geth: fix definition and size of ucc_geth_tx_global_pram
	arch/arc: add copy_user_page() to <asm/page.h> to fix build error on ARC
	misdn: dsp: select CONFIG_BITREVERSE
	net: ethernet: fs_enet: Add missing MODULE_LICENSE
	ACPI: scan: add stub acpi_create_platform_device() for !CONFIG_ACPI
	ARM: picoxcell: fix missing interrupt-parent properties
	Input: uinput - avoid FF flush when destroying device
	dump_common_audit_data(): fix racy accesses to ->d_name
	NFS: nfs_igrab_and_active must first reference the superblock
	ext4: fix superblock checksum failure when setting password salt
	RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
	mm, slub: consider rest of partial list if acquire_slab() fails
	net: sunrpc: interpret the return value of kstrtou32 correctly
	usb: ohci: Make distrust_firmware param default to false
	iio: buffer: Fix demux update
	nfsd4: readdirplus shouldn't return parent of export
	net: cdc_ncm: correct overhead in delayed_ndp_size
	netxen_nic: fix MSI/MSI-x interrupts
	rndis_host: set proper input size for OID_GEN_PHYSICAL_MEDIUM request
	net: dcb: Validate netlink message in DCB handler
	net: dcb: Accept RTM_GETDCB messages carrying set-like DCB commands
	net: sit: unregister_netdevice on newlink's error path
	rxrpc: Fix handling of an unsupported token type in rxrpc_read()
	net: avoid 32 x truesize under-estimation for tiny skbs
	spi: cadence: cache reference clock rate during probe
	Linux 4.4.253

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I654eb9f2b62aea6745aeae37341e162ab2a6a596

5 files changed, 18 insertions, 6 deletions

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f77ea52be8bf..011c2cf4d041 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -480,13 +480,17 @@ EXPORT_SYMBOL(__netdev_alloc_skb);
 struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
 				 gfp_t gfp_mask)
 {
-	struct page_frag_cache *nc = this_cpu_ptr(&napi_alloc_cache);
+	struct page_frag_cache *nc;
 	struct sk_buff *skb;
 	void *data;
 
 	len += NET_SKB_PAD + NET_IP_ALIGN;
 
-	if ((len > SKB_WITH_OVERHEAD(PAGE_SIZE)) ||
+	/* If requested length is either too small or too big,
+	 * we use kmalloc() for skb->head allocation.
+	 */
+	if (len <= SKB_WITH_OVERHEAD(1024) ||
+	    len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
 	    (gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
 		skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX, NUMA_NO_NODE);
 		if (!skb)
@@ -494,6 +498,7 @@ struct sk_buff *__napi_alloc_skb(struct napi_struct *napi, unsigned int len,
 		goto skb_success;
 	}
 
+	nc = this_cpu_ptr(&napi_alloc_cache);
 	len += SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
 	len = SKB_DATA_ALIGN(len);
 
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 6fe2b615518c..426c30f9fdb0 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1725,6 +1725,8 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh)
 	fn = &reply_funcs[dcb->cmd];
 	if (!fn->cb)
 		return -EOPNOTSUPP;
+	if (fn->type == RTM_SETDCB && !netlink_capable(skb, CAP_NET_ADMIN))
+		return -EPERM;
 
 	if (!tb[DCB_ATTR_IFNAME])
 		return -EINVAL;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 8bab7e64ffcf..1ee190137da4 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1584,8 +1584,11 @@ static int ipip6_newlink(struct net *src_net, struct net_device *dev,
 	}
 
 #ifdef CONFIG_IPV6_SIT_6RD
-	if (ipip6_netlink_6rd_parms(data, &ip6rd))
+	if (ipip6_netlink_6rd_parms(data, &ip6rd)) {
 		err = ipip6_tunnel_update_6rd(nt, &ip6rd);
+		if (err < 0)
+			unregister_netdevice_queue(dev, NULL);
+	}
 #endif
 
 	return err;
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index ea615e53eab2..f4ad63d6e540 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -1116,7 +1116,7 @@ static long rxrpc_read(const struct key *key,
 		default: /* we have a ticket we can't encode */
 			pr_err("Unsupported key token type (%u)\n",
 			       token->security_index);
-			continue;
+			return -ENOPKG;
 		}
 
 		_debug("token[%u]: toksize=%u", ntoks, toksize);
@@ -1236,7 +1236,9 @@ static long rxrpc_read(const struct key *key,
 			break;
 
 		default:
-			break;
+			pr_err("Unsupported key token type (%u)\n",
+			       token->security_index);
+			return -ENOPKG;
 		}
 
 		ASSERTCMP((unsigned long)xdr - (unsigned long)oldxdr, ==,
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 8391c2785550..7404f02702a1 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -184,7 +184,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf,
 			scope_id = dev->ifindex;
 			dev_put(dev);
 		} else {
-			if (kstrtou32(p, 10, &scope_id) == 0) {
+			if (kstrtou32(p, 10, &scope_id) != 0) {
 				kfree(p);
 				return 0;
 			}