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Reza Arbab d66ba15bde memory-hotplug: fix store_mem_state() return value 
If store_mem_state() is called to online memory which is already online,
it will return 1, the value it got from device_online().

This is wrong because store_mem_state() is a device_attribute .store
function.  Thus a non-negative return value represents input bytes read.

Set the return value to -EINVAL in this case.

Link: http://lkml.kernel.org/r/1472743777-24266-1-git-send-email-arbab@linux.vnet.ibm.com
Signed-off-by: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Yaowei Bai <baiyaowei@cmss.chinamobile.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Xishi Qiu <qiuxishi@huawei.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Chen Yucong <slaoub@gmail.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Seth Jennings <sjenning@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2016-10-07 18:46:28 -07:00
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accessibility
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acpi PCI changes for the v4.9 merge window: 2016-10-07 11:46:37 -07:00
amba
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android Revert "android: binder: fix dangling pointer comparison" 2016-08-18 17:21:37 +02:00
ata pata_ninja32: Avoid corrupting status flags 2016-08-30 11:59:47 -04:00
atm atm: iphase: fix newline escape and minor tweak to source formatting 2016-09-15 19:15:55 -04:00
auxdisplay
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base memory-hotplug: fix store_mem_state() return value 2016-10-07 18:46:28 -07:00
bcma bcma: use of_dma_configure() to set initial dma mask 2016-09-09 12:00:37 +03:00
block Revert "floppy: refactor open() flags handling" 2016-08-25 08:56:51 -06:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-10-05 10:11:24 -07:00
bus Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-10-03 19:43:08 -07:00
cdrom
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char Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-10-04 14:48:27 -07:00
clk CLK: Add Loongson1C clock support 2016-09-23 14:49:21 -07:00
clocksource Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-10-03 18:09:13 -07:00
connector
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cpufreq Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2016-10-06 07:59:37 -07:00
cpuidle Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-10-03 19:43:08 -07:00
crypto chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
dax dax: fix mapping size check 2016-09-03 10:40:57 -07:00
dca
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devfreq PM / devfreq: rk3399_dmc: Remove explictly regulator_put call in .remove 2016-09-19 13:36:20 +02:00
dio
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dma dmaengine updates for 4.8-rc1 2016-10-06 17:13:54 -07:00
dma-buf dma-buf/sw_sync: de-stage SW_SYNC 2016-08-15 16:41:46 +02:00
edac * Altera Arria10 enablement of NAND, DMA, USB, QSPI and SD-MMC FIFO 2016-10-04 12:06:26 -07:00
eisa
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extcon Merge branch 'next' into resolution 2016-09-15 16:45:20 +05:30
firewire
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firmware Fix bug in module unloading. 2016-10-06 15:16:16 -07:00
fmc
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fpga fpga manager: Add hardware dependency to Zynq driver 2016-09-08 17:31:44 +02:00
gpio Merge branch 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-10-07 14:12:21 -07:00
gpu Merge branch 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-10-07 14:12:21 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2016-10-07 11:58:38 -07:00
hsi
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hv Drivers: hv: get rid of id in struct vmbus_channel 2016-09-27 12:35:49 +02:00
hwmon hwmon updates for v4.9 2016-10-04 10:56:14 -07:00
hwspinlock
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hwtracing coresight: tmc: mark symbols static where possible 2016-09-09 13:53:00 +02:00
i2c Merge branch 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-10-07 14:12:21 -07:00
ide
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idle
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iio Staging/IIO patches for 4.9-rc1 2016-10-05 14:50:51 -07:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-10-05 10:11:24 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-10-07 09:12:19 -07:00
iommu KVM updates for v4.9-rc1 2016-10-06 10:49:01 -07:00
ipack
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irqchip irqchip core changes for v4.9 2016-09-22 22:49:52 +02:00
isdn mISDN: mark symbols static where possible 2016-09-01 23:36:17 -07:00
leds leds: triggers: Check return value of kobject_uevent_env() 2016-09-20 10:22:10 +02:00
lguest
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lightnvm miscdevice: Use module_misc_device() macro 2016-08-31 14:12:35 +02:00
macintosh drivers/macintosh: Delete owner assignment 2016-08-22 11:09:33 +10:00
mailbox Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2016-10-06 17:36:53 -07:00
mcb mcb: Add a dma_device to mcb_device 2016-09-27 12:33:47 +02:00
md Merge tag 'md/4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2016-10-07 09:45:43 -07:00
media USB/PHY/EXTCON patches for 4.9-rc1 2016-10-03 20:17:35 -07:00
memory Char/Misc driver update for 4.9-rc1 2016-10-03 19:57:49 -07:00
memstick
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message scsi: fusion: Fix error return code in mptfc_probe() 2016-09-14 14:26:19 -04:00
mfd - Core Frameworks 2016-10-07 08:35:35 -07:00
misc Merge branch 'i2c/for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-10-07 14:12:21 -07:00
mmc USB/PHY/EXTCON patches for 4.9-rc1 2016-10-03 20:17:35 -07:00
mtd Another round of MTD fixes for v4.8 2016-09-28 12:53:08 -07:00
net phy: micrel.c: Enable ksz9031 energy-detect power-down mode 2016-10-05 21:19:06 -04:00
nfc
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ntb
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nubus
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nvdimm libnvdimm, region: fix flush hint table thinko 2016-09-24 11:45:38 -07:00
nvme nvme-rdma: only clear queue flags after successful connect 2016-09-22 19:58:17 -06:00
nvmem nvmem: rockchip-efuse: add rk3399-efuse support 2016-09-02 17:22:51 +02:00
of DeviceTree updates for 4.9: 2016-10-05 11:56:38 -07:00
oprofile oprofile/timer: Convert to hotplug state machine 2016-09-19 21:44:28 +02:00
parisc
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parport
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pci PCI changes for the v4.9 merge window: 2016-10-07 11:46:37 -07:00
pcmcia pcmcia: lubbock: fix sockets configuration 2016-09-12 10:57:01 +01:00
perf Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-10-03 19:43:08 -07:00
phy phy-twl4030-usb: initialize charging-related stuff via pm_runtime 2016-09-14 10:59:12 +05:30
pinctrl This is the bulk of GPIO changes for the v4.9 series: 2016-10-05 11:49:09 -07:00
platform - Core Frameworks 2016-10-07 08:35:35 -07:00
pnp PNP: isapnp: make core more explicitly non-modular 2016-08-16 22:53:59 +02:00
power power supply and reset changes for the v4.9 series 2016-10-06 18:21:15 -07:00
powercap x86/cpu: Rename Merrifield2 to Moorefield 2016-09-08 08:13:08 +02:00
pps
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ps3
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ptp ptp: Fix resource leak in case of error 2016-10-03 21:54:10 -04:00
pwm
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rapidio rapidio/rio_cm: avoid GFP_KERNEL in atomic context 2016-09-19 15:36:17 -07:00
ras
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regulator - Core Frameworks 2016-10-07 08:35:35 -07:00
remoteproc rpmsg updates for v4.9 2016-10-06 17:03:49 -07:00
reset
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rpmsg rpmsg: smd: fix dependency on QCOM_SMD=n 2016-09-12 07:05:13 -07:00
rtc Merge branches 'ib-mfd-gpio-4.9', 'ib-mfd-gpio-regulator-4.9', 'ib-mfd-input-4.9', 'ib-mfd-regulator-4.9', 'ib-mfd-regulator-4.9.1', 'ib-mfd-regulator-rtc-4.9', 'ib-mfd-regulator-rtc-4.9-1' and 'ib-mfd-rtc-4.9' into ibs-for-mfd-merged 2016-10-04 15:47:01 +01:00
s390 SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
sbus
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scsi SCSI misc on 20161006 2016-10-07 09:28:53 -07:00
sfi
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sh
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sn
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soc ARM: EXYNOS: Remove calls to of_genpd_get_from_provider() 2016-09-13 02:49:33 +02:00
spi Merge remote-tracking branches 'spi/topic/ti-qspi', 'spi/topic/tools', 'spi/topic/txx9' and 'spi/topic/xlp' into spi-next 2016-09-30 09:14:22 -07:00
spmi spmi: pmic-arb: Return an error code if sanity check fails 2016-09-27 12:43:34 +02:00
ssb
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staging Staging/IIO patches for 4.9-rc1 2016-10-05 14:50:51 -07:00
target chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
tc
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thermal thermal: rcar_thermal: Fix priv->zone error handling 2016-09-06 20:46:06 +08:00
thunderbolt thunderbolt: Don't declare Falcon Ridge unsupported 2016-08-31 13:25:02 +02:00
tty TTY/Serial patches for 4.9-rc1 2016-10-03 20:11:49 -07:00
uio uio: fix dmem_region_start computation 2016-08-31 13:07:30 +02:00
usb Revert "usbtmc: convert to devm_kzalloc" 2016-09-28 11:51:30 +02:00
uwb
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vfio vfio_pci: use pci_alloc_irq_vectors 2016-09-29 13:36:38 -06:00
vhost Merge 4.8-rc5 into char-misc-next 2016-09-05 08:04:07 +02:00
video backlight: pwm_bl: Handle gpio that can sleep 2016-10-06 09:27:26 +01:00
virt
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virtio virtio: mark vring_dma_dev() static 2016-09-09 21:12:35 +03:00
vlynq
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vme vme: fake: remove unexpected unlock in fake_master_set() 2016-09-27 12:43:35 +02:00
w1 w1: fix timeout_us parameter description 2016-08-31 13:56:05 +02:00
watchdog USB/PHY/EXTCON patches for 4.9-rc1 2016-10-03 20:17:35 -07:00
xen xen: features and fixes for 4.9-rc0 2016-10-06 11:19:10 -07:00
zorro
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Kconfig
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Makefile clk: probe common clock drivers earlier 2016-09-23 13:00:04 +02:00