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OpenCloudOS-Kernel
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Marty Faltesek f67b107d4c ath10k: cache calibration data when the core is stopped 
Commit 0b8e3c4ca2 ("ath10k: move cal data len to hw_params") broke retrieving
the calibration data from cal_data debugfs file. The length of file was always
zero. The reason is:

    static ssize_t ath10k_debug_cal_data_read(struct file *file,
                                          char __user *user_buf,
                                          size_t count, loff_t *ppos)
    {
        struct ath10k *ar = file->private_data;
        void *buf = file->private_data;

This is obviously bogus, private_data cannot contain both struct ath10k and the
buffer. Fix it by caching calibration data to ar->debug.cal_data. This also
allows it to be accessed when the device is not active (interface is down).

The cal_data buffer is fixed size because during the first firmware probe we
don't yet know what will be the lenght of the calibration data. It was simplest
just to use a fixed length. There's a WARN_ON() in
ath10k_debug_cal_data_fetch() if the buffer is too small.

Tested with qca988x and firmware 10.2.4.70.56.

Reported-by: Nikolay Martynov <mar.kolya@gmail.com>
Fixes: 0b8e3c4ca2 ("ath10k: move cal data len to hw_params")
Cc: stable@vger.kernel.org # 4.7+
Signed-off-by: Marty Faltesek <mfaltesek@google.com>
[kvalo@qca.qualcomm.com: improve commit log and minor other changes]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
 		2016-10-13 14:06:20 +03:00
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accessibility
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acpi nfit: fail DSMs that return non-zero status by default 2016-09-21 09:35:19 -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 regmap: Fix for v4.8 2016-09-23 11:50:49 -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 Bluetooth: Use single return in hci_uart_tty_ioctl() call 2016-09-24 06:40:24 +02:00
bus arm-cci: pmu: Fix typo in event name 2016-09-07 21:24:42 -07:00
cdrom cdrom: support read sub-channel command in LBA format 2016-07-12 08:24:50 -07:00
char virtio: fixes for 4.8 2016-09-09 14:52:05 -07:00
clk Clock Fixes for the Allwinner SoCs, 4.8 Edition 2016-09-08 12:54:24 -07:00
clocksource clocksource/drivers/atmel-pit: Fix compilation error 2016-08-29 09:51:39 +02:00
connector connector: make cn_proc explicitly non-modular 2016-07-05 11:40:47 -07:00
cpufreq cpufreq: dt: Add terminate entry for of_device_id tables 2016-08-31 02:49:05 +02:00
cpuidle powerpc updates for 4.8 # 1 2016-07-30 21:01:36 -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: exynos-bus: add missing of_node_put after calling of_parse_phandle 2016-07-06 13:11:24 +09:00
dio
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dma dmaengine: img-mdc: fix a possible NULL dereference 2016-08-22 11:57:49 +05:30
dma-buf dma-buf: Release module reference on creation failure 2016-07-18 14:10:49 +02:00
edac EDAC, skx_edac: Add EDAC driver for Skylake 2016-08-21 10:58:34 -07:00
eisa
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extcon extcon: adc-jack: add suspend/resume support 2016-07-02 14:31:34 +09:00
firewire
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firmware Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-09-13 12:02:00 -07:00
fmc
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fpga drivers/fpga/Kconfig: fix build failure 2016-08-04 08:50:07 -04:00
gpio gpio: sa1100: fix irq probing for ucb1x00 2016-09-08 00:42:57 +02:00
gpu drm/udl: fix line iterator in damage handling 2016-09-28 13:29:18 +10:00
hid Merge branch 'for-4.8/hid-led' into for-linus 2016-07-28 10:49:23 +02:00
hsi HSI: omap_ssi: drop pm_runtime_irq_safe 2016-06-28 00:40:08 +02:00
hv
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hwmon hwmon: (it87) Add missing sysfs attribute group terminator 2016-08-29 05:31:31 -07:00
hwspinlock hwspinlock: qcom_hwspinlock: add missing of_node_put after calling of_parse_phandle 2016-07-06 12:20:34 -07:00
hwtracing Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
i2c i2c: qup: skip qup_i2c_suspend if the device is already runtime suspended 2016-09-22 20:11:14 +02:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide 2016-07-29 13:29:06 -07:00
idle Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-30 12:56:26 -07:00
iio Second set of IIO fixes for the 4.8 cycle. 2016-09-09 13:44:37 +02:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-23 06:46:57 -04:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-09-30 21:25:09 -07:00
iommu Merge branch 'for-joerg/arm-smmu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes 2016-08-22 12:33:56 +02:00
ipack
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irqchip irqchip/mips-gic: Fix local interrupts 2016-09-20 23:20:02 +02:00
isdn mISDN: mark symbols static where possible 2016-09-01 23:36:17 -07:00
leds powerpc updates for 4.8 # 1 2016-07-30 21:01:36 -07:00
lguest
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lightnvm block: get rid of bio_rw and READA 2016-07-20 17:37:01 -06:00
macintosh drivers/macintosh: Delete owner assignment 2016-08-22 11:09:33 +10:00
mailbox fix📫bcm-pdc-mailbox:mark symbols static where possible 2016-08-29 18:43:39 +05:30
mcb
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md Merge tag 'md/4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2016-09-13 11:19:52 -07:00
media [media] cx23885/saa7134: assign q->dev to the PCI device 2016-09-19 12:38:05 -03:00
memory memory: omap-gpmc: allow probe of child nodes to fail 2016-08-08 11:18:40 +03:00
memstick memstick: don't allocate unused major for ms_block 2016-08-02 17:31:41 -04:00
message
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mfd ARM: SoC driver updates for v4.8 2016-08-01 18:36:01 -04:00
misc lkdtm: adjust usercopy tests to bypass const checks 2016-09-06 12:17:30 -07:00
mmc mmc: dw_mmc: fix the spamming log message 2016-09-22 09:34:13 +02:00
mtd Another round of MTD fixes for v4.8 2016-09-28 12:53:08 -07:00
net ath10k: cache calibration data when the core is stopped 2016-10-13 14:06:20 +03:00
nfc NFC 4.8 pull request 2016-07-20 23:39:36 -07:00
ntb NTB: ntb_hw_intel: use local variable pdev 2016-08-05 10:34:13 -04:00
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: imx-ocotp: Fix assignment warning. 2016-06-25 07:42:55 -07:00
of of: fix reference counting in of_graph_get_endpoint_by_regs 2016-08-15 11:15:05 -05:00
oprofile
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parisc dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
parport
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pci PCI updates for v4.8: 2016-09-14 14:06:30 -07:00
pcmcia pcmcia: lubbock: fix sockets configuration 2016-09-12 10:57:01 +01:00
perf drivers/perf: arm_pmu: Fix NULL pointer dereference during probe 2016-09-02 17:17:52 +01:00
phy phy: sun9i-usb: fix error handling 2016-08-12 14:59:10 +05:30
pinctrl pinctrl: sunxi: fix uart1 CTS/RTS pins at PG on A23/A33 2016-08-23 12:28:31 +02:00
platform intel_pmic_gpio: Make explicitly non-modular 2016-08-28 22:31:52 -07:00
pnp PNP: pnpbios: add header file to fix build errors 2016-07-27 18:52:54 +02:00
power power_supply: tps65217-charger: fix missing platform_set_drvdata() 2016-08-15 23:10:44 +02:00
powercap
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pps pps: do not crash when failed to register 2016-07-23 10:25:54 +09:00
ps3
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ptp ptp: Fix resource leak in case of error 2016-10-03 21:54:10 -04:00
pwm pwm: Changes for v4.8-rc1 2016-08-06 00:01:33 -04:00
rapidio rapidio/rio_cm: avoid GFP_KERNEL in atomic context 2016-09-19 15:36:17 -07:00
ras
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regulator Merge remote-tracking branches 'regulator/fix/email' and 'regulator/fix/qcom-smd' into regulator-linus 2016-09-06 12:31:34 +01:00
remoteproc dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
reset reset: add TI SYSCON based reset driver 2016-06-29 23:39:10 +02:00
rpmsg
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rtc RTC for 4.8 2016-08-05 09:48:22 -04:00
s390 s390/qeth: fix setting VIPA address 2016-09-16 04:29:14 -04:00
sbus
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scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-10-02 22:20:41 -04:00
sfi
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sh
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sn
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soc ARM: SoC driver updates for v4.8 2016-08-01 18:36:01 -04:00
spi Merge remote-tracking branches 'spi/fix/lock', 'spi/fix/maintainers', 'spi/fix/put', 'spi/fix/pxa2xx', 'spi/fix/sh-msiof' and 'spi/fix/timeout' into spi-linus 2016-09-06 12:32:09 +01:00
spmi
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ssb SSB: Change bare unsigned to unsigned int to suit coding style 2016-07-06 15:09:36 +02:00
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-23 06:46:57 -04:00
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 serial: 8250: added acces i/o products quad and octal serial cards 2016-08-31 16:28:26 +02:00
uio
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usb USB-serial fixes for v4.8-rc7 2016-09-16 17:42:10 +02:00
uwb
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vfio vfio/pci: Fix NULL pointer oops in error interrupt setup handling 2016-08-08 16:16:23 -06:00
vhost vhost/scsi: fix reuse of &vq->iov[out] in response 2016-08-23 17:16:57 +03:00
video dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
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
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w1 w1:omap_hdq: fix regression 2016-08-02 19:35:40 -04:00
watchdog watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe() 2016-07-27 10:47:43 +02:00
xen xenbus: don't look up transaction IDs for ordinary writes 2016-08-24 18:16:18 +01:00
zorro
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Kconfig
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Makefile virtio/vhost: new features for 4.8 2016-08-06 09:20:13 -04:00