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8e7389c79b40ed44c855193bfb46b496ac25676f
linux/drivers/misc
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Thierry Escande 8e7389c79b misc: fastrpc: Avoid free of DMA buffer in interrupt context 
When the remote DSP invocation is interrupted by the user, the
associated DMA buffer can be freed in interrupt context causing a kernel
BUG.

This patch adds a worker thread associated to the fastrpc context. It
is scheduled in the rpmsg callback to decrease its refcount out of the
interrupt context.

Fixes: c68cfb718c ("misc: fastrpc: Add support for context Invoke method")
Signed-off-by: Thierry Escande <thierry.escande@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-28 02:09:57 +09:00
..
altera-stapl
altera-stapl: check for a null key before strcasecmp'ing it
2018-11-27 08:44:07 +01:00
c2port
kmemcheck: remove annotations
2017-11-15 18:21:04 -08:00
cardreader
misc: rtsx: clean up some indenting
2019-03-28 02:09:19 +09:00
cb710
cb710: Convert to new IDA API
2018-08-21 23:54:18 -04:00
cxl
Merge branch 'topic/dma' into next
2019-02-21 23:15:10 +11:00
echo
misc: echo: Remove unnecessary parentheses and simplify check for zero
2018-09-25 20:21:02 +02:00
eeprom
eeprom: at24: implement support for 'num-addresses' property
2019-02-14 09:32:35 +01:00
genwqe
cross-tree: phase out dma_zalloc_coherent()
2019-01-08 07:58:37 -05:00
habanalabs
habanalabs: adjust Kconfig to fix build errors
2019-03-02 12:03:56 +01:00
ibmasm
ibmasm: don't write out of bounds in read handler
2018-07-07 09:59:35 +02:00
lis3lv02d
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
lkdtm
lkdtm: change snprintf to scnprintf for possible overflow
2019-01-18 16:34:05 +01:00
mei
mei: adjust the copyright notice in the files.
2019-03-28 02:07:54 +09:00
mic
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2019-03-09 15:53:03 -08:00
ocxl
ocxl: Fix endiannes bug in read_afu_name()
2018-12-21 14:46:50 +11:00
sgi-gru
misc/sgi-gru/grufault: fix a style error
2019-01-18 16:34:06 +01:00
sgi-xp
mm: replace all open encodings for NUMA_NO_NODE
2019-03-05 21:07:14 -08:00
ti-st
misc: ti-st: make array read_ver_cmd static, shrinks object size
2018-12-06 15:53:15 +01:00
vmw_vmci
VMCI: Support upto 64-bit PPNs
2019-02-26 12:53:55 +01:00
ad525x_dpot-i2c.c
drivers: misc: ad525x_dpot: Update MODULE AUTHOR email address
2018-09-14 15:36:20 +02:00
ad525x_dpot-spi.c
drivers: misc: ad525x_dpot: Update MODULE AUTHOR email address
2018-09-14 15:36:20 +02:00
ad525x_dpot.c
drivers: misc: ad525x_dpot: clean indentation issue, remove tabs
2019-01-18 16:34:05 +01:00
ad525x_dpot.h
misc: ad525x_dpot: Unnecessary space before function pointer arguments
2017-12-18 15:59:17 +01:00
apds990x.c
misc: apds990x: remove unused array ir_currents
2018-09-12 09:46:46 +02:00
apds9802als.c
misc: apds9802als: constify i2c_device_id
2017-08-28 16:55:49 +02:00
aspeed-lpc-ctrl.c
misc: aspeed-lpc-ctrl: Enable FWH and A2H bridge cycles
2018-03-15 18:20:51 +01:00
aspeed-lpc-snoop.c
drivers/misc: Aspeed LPC snoop output using misc chardev
2018-07-16 13:30:47 +02:00
atmel_tclib.c
…
atmel-ssc.c
misc: atmel-ssc: Fix section annotation on atmel_ssc_get_driver_data
2018-11-11 09:13:19 -08:00
bh1770glc.c
misc: bh1770glc: remove unused array prox_curr_ma
2018-09-12 09:46:46 +02:00
cs5535-mfgpt.c
…
ds1682.c
misc: ds1682: Ignore update-in-progress ETC reads
2018-01-09 17:03:57 +01:00
dummy-irq.c
…
enclosure.c
misc: enclosure: Use struct_size() in kzalloc()
2019-01-18 16:34:06 +01:00
fastrpc.c
misc: fastrpc: Avoid free of DMA buffer in interrupt context
2019-03-28 02:09:57 +09:00
fsa9480.c
misc: fsa9480: Add blank line after declarations.
2018-01-09 17:03:57 +01:00
hmc6352.c
misc: hmc6352: fix potential Spectre v1
2018-09-12 09:31:00 +02:00
hpilo.c
misc: hpilo: Do not claim unsupported hardware
2019-02-27 16:00:21 +01:00
hpilo.h
misc: hpilo: Use SPDX-License-Identifier
2017-12-07 18:45:31 +01:00
ibmvmc.c
misc: ibmvsm: Fix potential NULL pointer dereference
2019-01-18 14:14:14 +01:00
ibmvmc.h
misc: IBM Virtual Management Channel Driver (VMC)
2018-05-14 16:35:42 +02:00
ics932s401.c
misc/ics932s401: Add a missing check to i2c_smbus_read_word_data
2019-01-18 16:34:06 +01:00
ioc4.c
misc: ioc4: constify pci_device_id.
2017-08-28 16:55:48 +02:00
isl29003.c
misc: isl29003: Missing a blank line after declarations
2017-12-07 18:45:31 +01:00
isl29020.c
misc: isl29020: constify i2c_device_id
2017-08-28 16:55:49 +02:00
Kconfig
misc: fastrpc: select CONFIG_DMA_SHARED_BUFFER
2019-02-19 14:50:11 +01:00
kgdbts.c
misc: kgdbts: Fix restrict error
2018-09-25 20:21:02 +02:00
lattice-ecp3-config.c
…
Makefile
habanalabs: add skeleton driver
2019-02-18 09:46:43 +01:00
pch_phub.c
PCI: Move Rohm Vendor ID to generic list
2019-02-01 17:24:52 -06:00
pci_endpoint_test.c
misc: pci_endpoint_test: Add the layerscape EP device support
2019-02-21 10:48:36 +00:00
phantom.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
pti.c
drivers/misc/intel/pti: Rename the header file to free up the namespace
2017-12-17 12:52:34 +01:00
pvpanic.c
misc: pvpanic: fix warning implicit declaration
2019-01-18 16:42:05 +01:00
qcom-coincell.c
…
spear13xx_pcie_gadget.c
…
sram-exec.c
…
sram.c
misc: sram: remove redundant null pointer check before of_node_put
2018-09-25 20:20:59 +02:00
sram.h
…
tifm_7xx1.c
misc: tifm: Remove VLA
2018-04-23 13:31:27 +02:00
tifm_core.c
…
tsl2550.c
tsl2550: fix lux1_input error in low light
2018-07-07 17:44:52 +02:00
vexpress-syscfg.c
misc: vexpress: Off by one in vexpress_syscfg_exec()
2018-12-06 15:42:18 +01:00
vmw_balloon.c
Merge tag 'char-misc-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2019-03-06 14:18:59 -08:00