Merge 4.4.227 into android-4.4-p

Changes in 4.4.227
	scsi: scsi_devinfo: fixup string compare
	usb: gadget: f_uac2: fix error handling in afunc_bind (again)
	platform/x86: acer-wmi: setup accelerometer when ACPI device was found
	esp6: fix memleak on error path in esp6_input
	IB/mlx4: Fix an error handling path in 'mlx4_ib_rereg_user_mr()'
	ALSA: hda - No loopback on ALC299 codec
	spi: dw: use "smp_mb()" to avoid sending spi data error
	s390/ftrace: save traced function caller
	ARC: Fix ICCM & DCCM runtime size checks
	x86/mmiotrace: Use cpumask_available() for cpumask_var_t variables
	net: bmac: Fix read of MAC address from ROM
	net/ethernet/freescale: rework quiesce/activate for ucc_geth
	net: ethernet: stmmac: Enable interface clocks on probe for IPQ806x
	pppoe: only process PADT targeted at local interfaces
	mmc: fix compilation of user API
	slcan: Fix double-free on slcan_open() error path
	slip: not call free_netdev before rtnl_unlock in slip_open
	scsi: ufs: Release clock if DMA map fails
	devinet: fix memleak in inetdev_init()
	NFC: st21nfca: add missed kfree_skb() in an error path
	vsock: fix timeout in vsock_accept()
	l2tp: add sk_family checks to l2tp_validate_socket
	l2tp: do not use inet_hash()/inet_unhash()
	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
	vt: keyboard: avoid signed integer overflow in k_ascii
	staging: rtl8712: Fix IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK
	x86/cpu: Rename cpu_data.x86_mask to cpu_data.x86_stepping
	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
	iio: vcnl4000: Fix i2c swapped word reading.
	uprobes: ensure that uprobe->offset and ->ref_ctr_offset are properly aligned
	Linux 4.4.227

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib2e396e7c9444adb4cad958e3423afe3c4d5963d

1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index b2cdc1a1ad4f..5c169a837ebd 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -1826,7 +1826,7 @@ static acpi_status __init acer_wmi_get_handle_cb(acpi_handle ah, u32 level,
 	if (!strcmp(ctx, "SENR")) {
 		if (acpi_bus_get_device(ah, &dev))
 			return AE_OK;
-		if (!strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev)))
+		if (strcmp(ACER_WMID_ACCEL_HID, acpi_device_hid(dev)))
 			return AE_OK;
 	} else
 		return AE_OK;
@@ -1847,8 +1847,7 @@ static int __init acer_wmi_get_handle(const char *name, const char *prop,
 	handle = NULL;
 	status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
 					(void *)name, &handle);
-
-	if (ACPI_SUCCESS(status)) {
+	if (ACPI_SUCCESS(status) && handle) {
 		*ah = handle;
 		return 0;
 	} else {
@@ -2199,8 +2198,8 @@ static int __init acer_wmi_init(void)
 		if (err)
 			return err;
 		err = acer_wmi_accel_setup();
-		if (err)
-			return err;
+		if (err && err != -ENODEV)
+			pr_warn("Cannot enable accelerometer\n");
 	}
 
 	err = platform_driver_register(&acer_platform_driver);