Merge 4.4.194 into android-4.4-p

Changes in 4.4.194
	bridge/mdb: remove wrong use of NLM_F_MULTI
	cdc_ether: fix rndis support for Mediatek based smartphones
	ipv6: Fix the link time qualifier of 'ping_v6_proc_exit_net()'
	isdn/capi: check message length in capi_write()
	net: Fix null de-reference of device refcount
	sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero
	sctp: Fix the link time qualifier of 'sctp_ctrlsock_exit()'
	sctp: use transport pf_retrans in sctp_do_8_2_transport_strike
	tcp: fix tcp_ecn_withdraw_cwr() to clear TCP_ECN_QUEUE_CWR
	tipc: add NULL pointer check before calling kfree_rcu
	tun: fix use-after-free when register netdev failed
	Revert "MIPS: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur"
	Btrfs: fix assertion failure during fsync and use of stale transaction
	genirq: Prevent NULL pointer dereference in resend_irqs()
	KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl
	KVM: x86: work around leak of uninitialized stack contents
	KVM: nVMX: handle page fault in vmread
	MIPS: VDSO: Prevent use of smp_processor_id()
	MIPS: VDSO: Use same -m%-float cflag as the kernel proper
	clk: rockchip: Don't yell about bad mmc phases when getting
	driver core: Fix use-after-free and double free on glue directory
	crypto: talitos - check AES key size
	crypto: talitos - check data blocksize in ablkcipher.
	x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning
	MIPS: netlogic: xlr: Remove erroneous check in nlm_fmn_send()
	ARC: configs: Remove CONFIG_INITRAMFS_SOURCE from defconfigs
	USB: usbcore: Fix slab-out-of-bounds bug during device reset
	media: tm6000: double free if usb disconnect while streaming
	x86/boot: Add missing bootparam that breaks boot on some platforms
	xen-netfront: do not assume sk_buff_head list is empty in error handling
	KVM: coalesced_mmio: add bounds checking
	serial: sprd: correct the wrong sequence of arguments
	tty/serial: atmel: reschedule TX after RX was started
	mwifiex: Fix three heap overflow at parsing element in cfg80211_ap_settings
	s390/bpf: fix lcgr instruction encoding
	ARM: OMAP2+: Fix omap4 errata warning on other SoCs
	s390/bpf: use 32-bit index for tail calls
	NFSv4: Fix return values for nfs4_file_open()
	NFS: Fix initialisation of I/O result struct in nfs_pgio_rpcsetup
	Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105
	ARM: 8874/1: mm: only adjust sections of valid mm structures
	r8152: Set memory to all 0xFFs on failed reg reads
	x86/apic: Fix arch_dynirq_lower_bound() bug for DT enabled machines
	netfilter: nf_conntrack_ftp: Fix debug output
	NFSv2: Fix eof handling
	NFSv2: Fix write regression
	cifs: set domainName when a domain-key is used in multiuser
	cifs: Use kzfree() to zero out the password
	sky2: Disable MSI on yet another ASUS boards (P6Xxxx)
	tools/power turbostat: fix buffer overrun
	net: seeq: Fix the function used to release some memory in an error handling path
	dmaengine: ti: omap-dma: Add cleanup in omap_dma_probe()
	keys: Fix missing null pointer check in request_key_auth_describe()
	floppy: fix usercopy direction
	media: technisat-usb2: break out of loop at end of buffer
	ARC: export "abort" for modules
	net_sched: let qdisc_put() accept NULL pointer
	Linux 4.4.194

Change-Id: I680ac71d33ab7a4fd239de6333ea5b76376521b6
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 5740f4381013..f443398dbb80 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -6837,6 +6837,8 @@ int register_netdevice(struct net_device *dev)
 	ret = notifier_to_errno(ret);
 	if (ret) {
 		rollback_registered(dev);
+		rcu_barrier();
+
 		dev->reg_state = NETREG_UNREGISTERED;
 	}
 	/*