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linux-stable/drivers/staging/comedi
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Ian Abbott cef988642c staging: comedi: comedi_fops: do not call blocking ops when !TASK_RUNNING 
Comedi's read and write file operation handlers (`comedi_read()` and
`comedi_write()`) currently call `copy_to_user()` or `copy_from_user()`
whilst in the `TASK_INTERRUPTIBLE` state, which falls foul of the
`might_fault()` checks when enabled.  Fix it by setting the current task
state back to `TASK_RUNNING` a bit earlier before calling these
functions.

Reported-by: Piotr Gregor <piotrgregor@rsyncme.org>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: <stable@vger.kernel.org> # 4.5+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-30 08:38:43 -07:00
..
drivers staging: comedi: ni_mio_common: fix AO timer off-by-one regression 2017-07-16 09:13:53 +02:00
kcomedilib Staging: comedi: kcomedilib: Add module_init/exit function 2016-12-06 10:08:01 +01:00
comedi.h staging: comedi: make constants slightly more consistent 2016-10-16 10:26:16 +02:00
comedi_buf.c staging: comedi: support vm_access_process for mmap'd buffer 2017-04-25 20:43:42 +02:00
comedi_compat32.c
comedi_compat32.h staging: comedi: comedi_compat32.h: add identifiers to function parameters 2017-01-03 15:27:55 +01:00
comedi_fops.c staging: comedi: comedi_fops: do not call blocking ops when !TASK_RUNNING 2017-07-30 08:38:43 -07:00
comedi_internal.h staging: comedi: support vm_access_process for mmap'd buffer 2017-04-25 20:43:42 +02:00
comedi_pci.c
comedi_pci.h drivers: staging: comedi: fix function prototypes 2017-01-03 15:27:12 +01:00
comedi_pcmcia.c staging: comedi: comedi_pcmcia.[ch]: add identifiers to function parameters 2017-01-03 15:27:55 +01:00
comedi_pcmcia.h staging: comedi: comedi_pcmcia.[ch]: add identifiers to function parameters 2017-01-03 15:27:55 +01:00
comedi_usb.c
comedi_usb.h staging: comedi: comedi_usb.h: add identifiers to function parameters 2017-01-03 15:27:55 +01:00
comedidev.h Staging: comedi: comedidev.h: Drop old style zero-length array 2017-01-03 15:29:06 +01:00
comedilib.h
drivers.c Staging: comedi: Align the * in block comments 2016-10-02 17:29:11 +02:00
Kconfig staging: comedi: labpc: fix isadma dependency 2017-04-08 12:54:09 +02:00
Makefile
proc.c Staging: comedi: proc: Warn if unable to create proc entry 2017-01-03 15:30:21 +01:00
range.c
TODO