Liwei Song 17e83549e1 i2c: ismt: fix wrong device address when unmap the data buffer ... Fix the following kernel bug: kernel BUG at drivers/iommu/intel-iommu.c:3260! invalid opcode: 0000 [#5] PREEMPT SMP Hardware name: Intel Corp. Harcuvar/Server, BIOS HAVLCRB0.X64.0013.D39.1608311820 08/31/2016 task: ffff880175389950 ti: ffff880176bec000 task.ti: ffff880176bec000 RIP: 0010:[<ffffffff8150a83b>] [<ffffffff8150a83b>] intel_unmap+0x25b/0x260 RSP: 0018:ffff880176bef5e8 EFLAGS: 00010296 RAX: 0000000000000024 RBX: ffff8800773c7c88 RCX: 000000000000ce04 RDX: 0000000080000000 RSI: 0000000000000000 RDI: 0000000000000009 RBP: ffff880176bef638 R08: 0000000000000010 R09: 0000000000000004 R10: ffff880175389c78 R11: 0000000000000a4f R12: ffff8800773c7868 R13: 00000000ffffac88 R14: ffff8800773c7818 R15: 0000000000000001 FS: 00007fef21258700(0000) GS:ffff88017b5c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000066d6d8 CR3: 000000007118c000 CR4: 00000000003406e0 Stack: 00000000ffffac88 ffffffff8199867f ffff880176bef5f8 ffff880100000030 ffff880176bef668 ffff8800773c7c88 ffff880178288098 ffff8800772c0010 ffff8800773c7818 0000000000000001 ffff880176bef648 ffffffff8150a86e Call Trace: [<ffffffff8199867f>] ? printk+0x46/0x48 [<ffffffff8150a86e>] intel_unmap_page+0xe/0x10 [<ffffffffa039d99b>] ismt_access+0x27b/0x8fa [i2c_ismt] [<ffffffff81554420>] ? __pm_runtime_suspend+0xa0/0xa0 [<ffffffff815544a0>] ? pm_suspend_timer_fn+0x80/0x80 [<ffffffff81554420>] ? __pm_runtime_suspend+0xa0/0xa0 [<ffffffff815544a0>] ? pm_suspend_timer_fn+0x80/0x80 [<ffffffff8143dfd0>] ? pci_bus_read_dev_vendor_id+0xf0/0xf0 [<ffffffff8172b36c>] i2c_smbus_xfer+0xec/0x4b0 [<ffffffff810aa4d5>] ? vprintk_emit+0x345/0x530 [<ffffffffa038936b>] i2cdev_ioctl_smbus+0x12b/0x240 [i2c_dev] [<ffffffff810aa829>] ? vprintk_default+0x29/0x40 [<ffffffffa0389b33>] i2cdev_ioctl+0x63/0x1ec [i2c_dev] [<ffffffff811b04c8>] do_vfs_ioctl+0x328/0x5d0 [<ffffffff8119d8ec>] ? vfs_write+0x11c/0x190 [<ffffffff8109d449>] ? rt_up_read+0x19/0x20 [<ffffffff811b07f1>] SyS_ioctl+0x81/0xa0 [<ffffffff819a351b>] system_call_fastpath+0x16/0x6e This happen When run "i2cdetect -y 0" detect SMBus iSMT adapter. After finished I2C block read/write, when unmap the data buffer, a wrong device address was pass to dma_unmap_single(). To fix this, give dma_unmap_single() the "dev" parameter, just like what dma_map_single() does, then unmap can find the right devices. Fixes: 13f35ac14c ("i2c: Adding support for Intel iSMT SMBus 2.0 host controller") Signed-off-by: Liwei Song <liwei.song@windriver.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>		2017-06-15 16:07:03 +02:00
..
accessibility
acpi	IOMMU Fixes for Linux v4.12-rc4	2017-06-09 22:30:55 -07:00
amba
android
ata	libata: fix error checking in in ata_parse_force_one()	2017-05-31 14:26:26 -04:00
atm
auxdisplay
base	Merge branches 'intel_pstate' and 'pm-sleep'	2017-06-09 01:25:16 +02:00
bcma
block	Fix loop device flush before configure v3	2017-06-08 08:04:18 -06:00
bluetooth	Bluetooth: hci_ldisc: Add protocol check to hci_uart_tx_wakeup()	2017-04-30 12:22:14 +02:00
bus
cdrom	scsi: introduce a result field in struct scsi_request	2017-04-20 12:16:10 -06:00
char	Improve performance by using a lockless update mechanism suggested by	2017-06-11 12:02:01 -07:00
clk	Sort of on the quieter side this time, which is probably due more	2017-05-10 13:38:18 -07:00
clocksource	Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-12 10:43:25 -07:00
connector
cpufreq	Merge branches 'intel_pstate' and 'pm-sleep'	2017-06-09 01:25:16 +02:00
cpuidle	Merge branches 'pm-domains', 'pm-cpuidle', 'pm-sleep' and 'powercap'	2017-05-09 23:21:46 +02:00
crypto	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
dax	device-dax: fix 'dax' device filesystem inode destruction crash	2017-06-09 08:50:49 -07:00
dca
devfreq
dio
dma	dmaengine: pl330: fix warning in pl330_remove	2017-06-02 11:49:44 +05:30
dma-buf	dma-buf: Rename dma-ops to prevent conflict with kunmap_atomic macro	2017-04-20 13:47:46 +05:30
edac	EDAC, amd64: Fix reporting of Chip Select sizes on Fam17h	2017-05-03 16:27:36 +02:00
eisa
extcon
firewire
firmware	Char/Misc driver fixes for 4.12-rc5	2017-06-11 11:29:15 -07:00
fmc
fpga	fpga fr br: update supported version numbers	2017-04-26 11:38:56 +02:00
fsi
gpio	gpio: mvebu: fix gpio bank registration when pwm is used	2017-06-09 09:38:27 +02:00
gpu	Merge branch 'vmwgfx-fixes-4.12' of git://people.freedesktop.org/~thomash/linux into drm-fixes	2017-06-09 13:12:02 +10:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2017-06-02 09:23:56 -07:00
hsi	HSI: ssi_protocol: double free in ssip_pn_xmit()	2017-04-21 17:58:45 +02:00
hv	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
hwmon	hwmon: (aspeed-pwm-tacho) make fan/pwm names start with index 1	2017-06-03 03:55:43 -07:00
hwspinlock
hwtracing	drivers/hwtracing/intel_th/msu.c: use set_memory.h header	2017-05-08 17:15:14 -07:00
i2c	i2c: ismt: fix wrong device address when unmap the data buffer	2017-06-15 16:07:03 +02:00
ide	ide: don't call memcpy with the same source and destination	2017-05-08 17:36:39 -04:00
idle	x86/intel_idle: add Gemini Lake support	2017-05-01 23:17:37 +02:00
iio	First set of IIO fixes in the 4.12 cycle.	2017-05-22 21:53:09 +02:00
infiniband	RDMA/SA: Fix kernel panic in CMA request handler flow	2017-06-01 17:20:14 -04:00
input	Input: synaptics-rmi4 - register F03 port as pass-through serio	2017-06-09 09:57:19 -07:00
iommu	iommu/of: Ignore all errors except EPROBE_DEFER	2017-05-30 11:31:32 +02:00
ipack
irqchip	Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-21 11:45:26 -07:00
isdn	mISDN: Fix a sleep-in-atomic bug	2017-06-01 14:49:47 -04:00
leds	leds: pca955x: Correct I2C Functionality	2017-05-22 21:12:44 +02:00
lguest
lightnvm	lightnvm: fix bad back free on error path	2017-05-04 07:53:04 -06:00
macintosh	DeviceTree for 4.12:	2017-05-05 19:33:07 -07:00
mailbox	mailbox: handle empty message in tx_tick	2017-04-27 16:20:04 +05:30
mcb
md	md: initialise ->writes_pending in personality modules.	2017-06-05 16:04:35 -07:00
media	media fixes for v4.12-rc4	2017-06-06 09:37:44 -07:00
memory	Merge tag 'at91-4.12-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes	2017-06-01 17:07:31 -07:00
memstick
message	scsi: mpt: Move scsi_remove_host() out of mptscsih_remove_host()	2017-04-24 18:21:17 -04:00
mfd	mfd: axp20x: Support AXP803 variant	2017-04-27 11:54:49 +01:00
misc	Char/Misc driver fixes for 4.12-rc5	2017-06-11 11:29:15 -07:00
mmc	This pull request contains fixes to make the WiFi work again for the ARM64	2017-05-26 09:05:35 -07:00
mtd	mtd: nand: make nand_ooblayout_lp_hamming_ops static	2017-05-22 09:42:29 +02:00
net	net: stmmac: fix a broken u32 less than zero check	2017-06-06 16:26:28 -04:00
nfc
ntb
nubus	nubus: Clean up whitespace	2017-04-20 09:54:24 +02:00
nvdimm	Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm	2017-05-12 15:43:10 -07:00
nvme	nvme: relax APST default max latency to 100ms	2017-06-07 11:08:55 +02:00
nvmem	ARM: SoC driver updates	2017-05-09 10:01:15 -07:00
of	iommu/of: Ignore all errors except EPROBE_DEFER	2017-05-30 11:31:32 +02:00
oprofile
parisc
parport	Annotate hardware config module parameters in drivers/parport/	2017-04-20 12:02:32 +01:00
pci	PCI/PM: Add needs_resume flag to avoid suspend complete optimization	2017-05-23 14:18:17 -05:00
pcmcia	Annotation of module parameters that specify device settings	2017-05-10 19:13:03 -07:00
perf	drivers/perf: arm_pmu_acpi: avoid perf IRQ init when guest PMU is off	2017-05-30 12:40:03 +01:00
phy	phy: qualcomm: phy-qcom-qmp: fix application of sizeof to pointer	2017-06-01 15:03:41 +05:30
pinctrl	pinctrl: sunxi: Fix SPDIF function name for A83T	2017-05-23 11:31:27 +02:00
platform	goldfish_pipe: use GFP_ATOMIC under spin lock	2017-05-25 18:26:11 +02:00
pnp
power	power supply and reset changes for the v4.12 series (part 2)	2017-05-12 12:02:21 -07:00
powercap	PowerCap: Fix an error code in powercap_register_zone()	2017-05-14 13:30:05 +02:00
pps
ps3
ptp	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-05-01 16:15:18 -07:00
pwm
rapidio	char/misc patches for 4.12-rc1	2017-05-04 19:15:35 -07:00
ras
regulator	Merge remote-tracking branch 'regulator/topic/vctrl' into regulator-next	2017-04-30 22:17:44 +09:00
remoteproc	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
reset	reset: hi6220: Set module license so that it can be loaded	2017-05-24 10:53:41 +02:00
rpmsg	virtio: fixes, cleanups, performance	2017-05-10 11:33:08 -07:00
rtc	Merge branches 'pm-sleep' and 'powercap'	2017-05-22 20:32:05 +02:00
s390	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2017-05-16 09:24:44 -07:00
sbus
scsi	SCSI fixes on 20170610	2017-06-11 11:21:08 -07:00
sfi
sh
sn
soc	ARM: SoC fixes (and a cross-arch dt-include fix)	2017-05-19 13:36:56 -07:00
spi	Merge remote-tracking branches 'spi/topic/ti-qspi' and 'spi/topic/xlp' into spi-next	2017-04-26 15:58:22 +01:00
spmi
ssb
staging	Staging/IIO fixes for 4.12-rc5	2017-06-11 11:25:51 -07:00
target	iscsi-target: Always wait for kthread_should_stop() before kthread exit	2017-05-31 15:12:57 -07:00
tc
tee	Linux 4.12-rc1	2017-05-18 23:54:47 -07:00
thermal	thermal: broadcom: ns-thermal: default on iProc SoCs	2017-05-23 20:09:34 -07:00
thunderbolt
tty	Revert "tty: fix port buffer locking"	2017-06-04 10:23:25 +02:00
uio	uio: fix incorrect memory leak cleanup	2017-05-16 23:06:41 +02:00
usb	usb: fixes for v4.12-rc4	2017-06-03 09:47:16 +09:00
uwb	uwb: fix device quirk on big-endian hosts	2017-05-17 11:27:41 +02:00
vfio	powerpc updates for 4.12 part 1.	2017-05-05 11:36:44 -07:00
vhost	mm: support __GFP_REPEAT in kvmalloc_node for >32kB	2017-05-08 17:15:12 -07:00
video	fbdev changes for v4.12:	2017-05-11 11:12:26 -07:00
virt	drivers/virt/fsl_hypervisor.c: use get_user_pages_unlocked()	2017-05-08 17:15:10 -07:00
virtio	virtio: allow extra context per descriptor	2017-05-02 23:41:43 +03:00
vlynq
vme
w1
watchdog	watchdog: bcm281xx: Fix use of uninitialized spinlock.	2017-05-19 10:42:25 +02:00
xen	xen: fix for 4.12 rc5	2017-06-09 09:59:51 -07:00
zorro
Kconfig
Makefile	Merge branch 'tee/initial-merge' into fixes	2017-05-10 21:03:31 +02:00