Merge 5.4.46 into android-5.4-stable

Changes in 5.4.46
	devinet: fix memleak in inetdev_init()
	l2tp: add sk_family checks to l2tp_validate_socket
	l2tp: do not use inet_hash()/inet_unhash()
	net/mlx5: Fix crash upon suspend/resume
	net: stmmac: enable timestamp snapshot for required PTP packets in dwmac v5.10a
	net: usb: qmi_wwan: add Telit LE910C1-EUX composition
	NFC: st21nfca: add missed kfree_skb() in an error path
	nfp: flower: fix used time of merge flow statistics
	vsock: fix timeout in vsock_accept()
	net: check untrusted gso_size at kernel entry
	net: be more gentle about silly gso requests coming from user
	USB: serial: qcserial: add DW5816e QDL support
	USB: serial: usb_wwan: do not resubmit rx urb on fatal errors
	USB: serial: option: add Telit LE910C1-EUX compositions
	USB: serial: ch341: add basis for quirk detection
	iio:chemical:sps30: Fix timestamp alignment
	iio: vcnl4000: Fix i2c swapped word reading.
	iio:chemical:pms7003: Fix timestamp alignment and prevent data leak.
	iio: adc: stm32-adc: fix a wrong error message when probing interrupts
	usb: musb: start session in resume for host port
	usb: musb: Fix runtime PM imbalance on error
	vt: keyboard: avoid signed integer overflow in k_ascii
	tty: hvc_console, fix crashes on parallel open/close
	staging: rtl8712: Fix IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK
	CDC-ACM: heed quirk also in error handling
	nvmem: qfprom: remove incorrect write support
	x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2
	x86/cpu: Add a steppings field to struct x86_cpu_id
	x86/cpu: Add 'table' argument to cpu_matches()
	x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation
	x86/speculation: Add SRBDS vulnerability and mitigation documentation
	x86/speculation: Add Ivy Bridge to affected list
	uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned
	Revert "net/mlx5: Annotate mutex destroy for root ns"
	Linux 5.4.46

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I58f55a0ee645d89fb91748a2d378bffea65e24dd